diff --git a/composer.lock b/composer.lock
index 9222433feff81..851ef2c8e375c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -325,16 +325,16 @@
         },
         {
             "name": "joomla/registry",
-            "version": "1.4.2",
+            "version": "1.4.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/joomla-framework/registry.git",
-                "reference": "5c2e607ff61f8df07c3c0630ed62a8c3d892469e"
+                "reference": "730467978ad52677903e973bb33be2306eb161eb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/joomla-framework/registry/zipball/5c2e607ff61f8df07c3c0630ed62a8c3d892469e",
-                "reference": "5c2e607ff61f8df07c3c0630ed62a8c3d892469e",
+                "url": "https://api.github.com/repos/joomla-framework/registry/zipball/730467978ad52677903e973bb33be2306eb161eb",
+                "reference": "730467978ad52677903e973bb33be2306eb161eb",
                 "shasum": ""
             },
             "require": {
@@ -375,7 +375,7 @@
                 "joomla",
                 "registry"
             ],
-            "time": "2015-03-07 18:48:26"
+            "time": "2015-03-16 18:49:29"
         },
         {
             "name": "joomla/session",
@@ -508,16 +508,16 @@
         },
         {
             "name": "joomla/utilities",
-            "version": "1.2.0",
+            "version": "1.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/joomla-framework/utilities.git",
-                "reference": "f749a9bd6f2fc5ad376687651478273dac105051"
+                "reference": "2e7f37a69162fea02059c764a318a920121f8b4a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/joomla-framework/utilities/zipball/f749a9bd6f2fc5ad376687651478273dac105051",
-                "reference": "f749a9bd6f2fc5ad376687651478273dac105051",
+                "url": "https://api.github.com/repos/joomla-framework/utilities/zipball/2e7f37a69162fea02059c764a318a920121f8b4a",
+                "reference": "2e7f37a69162fea02059c764a318a920121f8b4a",
                 "shasum": ""
             },
             "require": {
@@ -551,7 +551,7 @@
                 "joomla",
                 "utilities"
             ],
-            "time": "2014-09-03 21:44:44"
+            "time": "2015-03-16 18:50:58"
         },
         {
             "name": "leafo/lessphp",
diff --git a/libraries/cms/html/select.php b/libraries/cms/html/select.php
index 9dda2da17acd2..06f8c21a6c14b 100644
--- a/libraries/cms/html/select.php
+++ b/libraries/cms/html/select.php
@@ -464,8 +464,8 @@ public static function option($value, $text = '', $optKey = 'value', $optText =
 		}
 
 		$obj = new stdClass;
-		$obj->$options['option.key'] = $value;
-		$obj->$options['option.text'] = trim($text) ? $text : $value;
+		$obj->{$options['option.key']}  = $value;
+		$obj->{$options['option.text']} = trim($text) ? $text : $value;
 
 		/*
 		 * If a label is provided, save it. If no label is provided and there is
@@ -480,19 +480,19 @@ public static function option($value, $text = '', $optKey = 'value', $optText =
 		}
 		elseif ($hasProperty)
 		{
-			$obj->$options['option.label'] = '';
+			$obj->{$options['option.label']} = '';
 		}
 
 		// Set attributes only if there is a property and a value
 		if ($options['attr'] !== null)
 		{
-			$obj->$options['option.attr'] = $options['attr'];
+			$obj->{$options['option.attr']} = $options['attr'];
 		}
 
 		// Set disable only if it has a property and a value
 		if ($options['disable'] !== null)
 		{
-			$obj->$options['option.disable'] = $options['disable'];
+			$obj->{$options['option.disable']} = $options['disable'];
 		}
 
 		return $obj;
@@ -600,37 +600,37 @@ public static function options($arr, $optKey = 'value', $optText = 'text', $sele
 			}
 			elseif (is_object($element))
 			{
-				$key = $options['option.key'] === null ? $elementKey : $element->$options['option.key'];
-				$text = $element->$options['option.text'];
+				$key = $options['option.key'] === null ? $elementKey : $element->{$options['option.key']};
+				$text = $element->{$options['option.text']};
 
-				if (isset($element->$options['option.attr']))
+				if (isset($element->{$options['option.attr']}))
 				{
-					$attr = $element->$options['option.attr'];
+					$attr = $element->{$options['option.attr']};
 				}
 
-				if (isset($element->$options['option.id']))
+				if (isset($element->{$options['option.id']}))
 				{
-					$id = $element->$options['option.id'];
+					$id = $element->{$options['option.id']};
 				}
 
-				if (isset($element->$options['option.label']))
+				if (isset($element->{$options['option.label']}))
 				{
-					$label = $element->$options['option.label'];
+					$label = $element->{$options['option.label']};
 				}
 
-				if (isset($element->$options['option.disable']) && $element->$options['option.disable'])
+				if (isset($element->{$options['option.disable']}) && $element->{$options['option.disable']})
 				{
 					$extra .= ' disabled="disabled"';
 				}
 
-				if (isset($element->$options['option.class']) && $element->$options['option.class'])
+				if (isset($element->{$options['option.class']}) && $element->{$options['option.class']})
 				{
-					$extra .= ' class="' . $element->$options['option.class'] . '"';
+					$extra .= ' class="' . $element->{$options['option.class']} . '"';
 				}
 
-				if (isset($element->$options['option.onclick']) && $element->$options['option.onclick'])
+				if (isset($element->{$options['option.onclick']}) && $element->{$options['option.onclick']})
 				{
-					$extra .= ' onclick="' . $element->$options['option.onclick'] . '"';
+					$extra .= ' onclick="' . $element->{$options['option.onclick']} . '"';
 				}
 			}
 			else
diff --git a/libraries/cms/menu/menu.php b/libraries/cms/menu/menu.php
index 36ff71099dc1a..cda1173011682 100644
--- a/libraries/cms/menu/menu.php
+++ b/libraries/cms/menu/menu.php
@@ -266,7 +266,7 @@ public function getItems($attributes, $values, $firstonly = false)
 			{
 				if (is_array($values[$i]))
 				{
-					if (!in_array($item->$attributes[$i], $values[$i]))
+					if (!in_array($item->{$attributes[$i]}, $values[$i]))
 					{
 						$test = false;
 						break;
@@ -274,7 +274,7 @@ public function getItems($attributes, $values, $firstonly = false)
 				}
 				else
 				{
-					if ($item->$attributes[$i] != $values[$i])
+					if ($item->{$attributes[$i]} != $values[$i])
 					{
 						$test = false;
 						break;
diff --git a/libraries/joomla/keychain/keychain.php b/libraries/joomla/keychain/keychain.php
index a591e1f98a8d4..ea86d9a7bef5e 100644
--- a/libraries/joomla/keychain/keychain.php
+++ b/libraries/joomla/keychain/keychain.php
@@ -84,17 +84,17 @@ public function deleteValue($path)
 			// Traverse the registry to find the correct node for the result.
 			for ($i = 0, $n = count($nodes) - 1; $i < $n; $i++)
 			{
-				if (!isset($node->$nodes[$i]) && ($i != $n))
+				if (!isset($node->{$nodes[$i]}) && ($i != $n))
 				{
-					$node->$nodes[$i] = new stdClass;
+					$node->{$nodes[$i]} = new stdClass;
 				}
 
-				$node = $node->$nodes[$i];
+				$node = $node->{$nodes[$i]};
 			}
 
 			// Get the old value if exists so we can return it
-			$result = $node->$nodes[$i];
-			unset($node->$nodes[$i]);
+			$result = $node->{$nodes[$i]};
+			unset($node->{$nodes[$i]});
 		}
 
 		return $result;
diff --git a/libraries/joomla/utilities/arrayhelper.php b/libraries/joomla/utilities/arrayhelper.php
index b26823b9ad3a7..3b73a1253792c 100644
--- a/libraries/joomla/utilities/arrayhelper.php
+++ b/libraries/joomla/utilities/arrayhelper.php
@@ -457,8 +457,8 @@ protected static function _sortObjects(&$a, &$b)
 				$locale = self::$sortLocale[$i];
 			}
 
-			$va = $a->$key[$i];
-			$vb = $b->$key[$i];
+			$va = $a->{$key[$i]};
+			$vb = $b->{$key[$i]};
 
 			if ((is_bool($va) || is_numeric($va)) && (is_bool($vb) || is_numeric($vb)))
 			{
diff --git a/libraries/vendor/autoload.php b/libraries/vendor/autoload.php
index f2aeba51489ec..baecd9740292a 100644
--- a/libraries/vendor/autoload.php
+++ b/libraries/vendor/autoload.php
@@ -4,4 +4,4 @@
 
 require_once __DIR__ . '/composer' . '/autoload_real.php';
 
-return ComposerAutoloaderInit13e7038e3c9f87f9f8ac2ce0fc0b2380::getLoader();
+return ComposerAutoloaderInitf9aed076f12471aff0049364a504b3f7::getLoader();
diff --git a/libraries/vendor/composer/autoload_real.php b/libraries/vendor/composer/autoload_real.php
index d89688158435b..60bdad1198a32 100644
--- a/libraries/vendor/composer/autoload_real.php
+++ b/libraries/vendor/composer/autoload_real.php
@@ -2,7 +2,7 @@
 
 // autoload_real.php @generated by Composer
 
-class ComposerAutoloaderInit13e7038e3c9f87f9f8ac2ce0fc0b2380
+class ComposerAutoloaderInitf9aed076f12471aff0049364a504b3f7
 {
     private static $loader;
 
@@ -19,9 +19,9 @@ public static function getLoader()
             return self::$loader;
         }
 
-        spl_autoload_register(array('ComposerAutoloaderInit13e7038e3c9f87f9f8ac2ce0fc0b2380', 'loadClassLoader'), true, true);
+        spl_autoload_register(array('ComposerAutoloaderInitf9aed076f12471aff0049364a504b3f7', 'loadClassLoader'), true, true);
         self::$loader = $loader = new \Composer\Autoload\ClassLoader();
-        spl_autoload_unregister(array('ComposerAutoloaderInit13e7038e3c9f87f9f8ac2ce0fc0b2380', 'loadClassLoader'));
+        spl_autoload_unregister(array('ComposerAutoloaderInitf9aed076f12471aff0049364a504b3f7', 'loadClassLoader'));
 
         $map = require __DIR__ . '/autoload_namespaces.php';
         foreach ($map as $namespace => $path) {
@@ -42,14 +42,14 @@ public static function getLoader()
 
         $includeFiles = require __DIR__ . '/autoload_files.php';
         foreach ($includeFiles as $file) {
-            composerRequire13e7038e3c9f87f9f8ac2ce0fc0b2380($file);
+            composerRequiref9aed076f12471aff0049364a504b3f7($file);
         }
 
         return $loader;
     }
 }
 
-function composerRequire13e7038e3c9f87f9f8ac2ce0fc0b2380($file)
+function composerRequiref9aed076f12471aff0049364a504b3f7($file)
 {
     require $file;
 }
diff --git a/libraries/vendor/composer/installed.json b/libraries/vendor/composer/installed.json
index 9ab04a9d03078..1f834aefe431c 100644
--- a/libraries/vendor/composer/installed.json
+++ b/libraries/vendor/composer/installed.json
@@ -245,55 +245,6 @@
         "description": "lessphp is a compiler for LESS written in PHP.",
         "homepage": "http://leafo.net/lessphp/"
     },
-    {
-        "name": "joomla/utilities",
-        "version": "1.2.0",
-        "version_normalized": "1.2.0.0",
-        "source": {
-            "type": "git",
-            "url": "https://github.com/joomla-framework/utilities.git",
-            "reference": "f749a9bd6f2fc5ad376687651478273dac105051"
-        },
-        "dist": {
-            "type": "zip",
-            "url": "https://api.github.com/repos/joomla-framework/utilities/zipball/f749a9bd6f2fc5ad376687651478273dac105051",
-            "reference": "f749a9bd6f2fc5ad376687651478273dac105051",
-            "shasum": ""
-        },
-        "require": {
-            "joomla/string": "~1.0",
-            "php": ">=5.3.10"
-        },
-        "require-dev": {
-            "phpunit/phpunit": "4.*",
-            "squizlabs/php_codesniffer": "1.*"
-        },
-        "time": "2014-09-03 21:44:44",
-        "type": "joomla-package",
-        "extra": {
-            "branch-alias": {
-                "dev-master": "1.x-dev"
-            }
-        },
-        "installation-source": "dist",
-        "autoload": {
-            "psr-4": {
-                "Joomla\\Utilities\\": "src/",
-                "Joomla\\Utilities\\Tests\\": "Tests/"
-            }
-        },
-        "notification-url": "https://packagist.org/downloads/",
-        "license": [
-            "GPL-2.0+"
-        ],
-        "description": "Joomla Utilities Package",
-        "homepage": "https://github.com/joomla-framework/utilities",
-        "keywords": [
-            "framework",
-            "joomla",
-            "utilities"
-        ]
-    },
     {
         "name": "joomla/input",
         "version": "1.2.0",
@@ -652,19 +603,68 @@
             "joomla"
         ]
     },
+    {
+        "name": "joomla/string",
+        "version": "1.2.2",
+        "version_normalized": "1.2.2.0",
+        "source": {
+            "type": "git",
+            "url": "https://github.com/joomla-framework/string.git",
+            "reference": "9f7b27d6b2d48d65b2fe81b5c6d72225629ad692"
+        },
+        "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/joomla-framework/string/zipball/9f7b27d6b2d48d65b2fe81b5c6d72225629ad692",
+            "reference": "9f7b27d6b2d48d65b2fe81b5c6d72225629ad692",
+            "shasum": ""
+        },
+        "require": {
+            "php": ">=5.3.10"
+        },
+        "require-dev": {
+            "joomla/test": "~1.0",
+            "phpunit/phpunit": "4.*",
+            "squizlabs/php_codesniffer": "1.*"
+        },
+        "time": "2015-03-13 12:29:00",
+        "type": "joomla-package",
+        "extra": {
+            "branch-alias": {
+                "dev-master": "1.x-dev"
+            }
+        },
+        "installation-source": "dist",
+        "autoload": {
+            "psr-4": {
+                "Joomla\\String\\": "src/",
+                "Joomla\\String\\Tests\\": "Tests/"
+            }
+        },
+        "notification-url": "https://packagist.org/downloads/",
+        "license": [
+            "GPL-2.0+"
+        ],
+        "description": "Joomla String Package",
+        "homepage": "https://github.com/joomla-framework/string",
+        "keywords": [
+            "framework",
+            "joomla",
+            "string"
+        ]
+    },
     {
         "name": "joomla/registry",
-        "version": "1.4.2",
-        "version_normalized": "1.4.2.0",
+        "version": "1.4.4",
+        "version_normalized": "1.4.4.0",
         "source": {
             "type": "git",
             "url": "https://github.com/joomla-framework/registry.git",
-            "reference": "5c2e607ff61f8df07c3c0630ed62a8c3d892469e"
+            "reference": "730467978ad52677903e973bb33be2306eb161eb"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/joomla-framework/registry/zipball/5c2e607ff61f8df07c3c0630ed62a8c3d892469e",
-            "reference": "5c2e607ff61f8df07c3c0630ed62a8c3d892469e",
+            "url": "https://api.github.com/repos/joomla-framework/registry/zipball/730467978ad52677903e973bb33be2306eb161eb",
+            "reference": "730467978ad52677903e973bb33be2306eb161eb",
             "shasum": ""
         },
         "require": {
@@ -682,7 +682,7 @@
         "suggest": {
             "symfony/yaml": "Install 2.* if you require YAML support."
         },
-        "time": "2015-03-07 18:48:26",
+        "time": "2015-03-16 18:49:29",
         "type": "joomla-package",
         "extra": {
             "branch-alias": {
@@ -709,29 +709,29 @@
         ]
     },
     {
-        "name": "joomla/string",
-        "version": "1.2.2",
-        "version_normalized": "1.2.2.0",
+        "name": "joomla/utilities",
+        "version": "1.3.2",
+        "version_normalized": "1.3.2.0",
         "source": {
             "type": "git",
-            "url": "https://github.com/joomla-framework/string.git",
-            "reference": "9f7b27d6b2d48d65b2fe81b5c6d72225629ad692"
+            "url": "https://github.com/joomla-framework/utilities.git",
+            "reference": "2e7f37a69162fea02059c764a318a920121f8b4a"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/joomla-framework/string/zipball/9f7b27d6b2d48d65b2fe81b5c6d72225629ad692",
-            "reference": "9f7b27d6b2d48d65b2fe81b5c6d72225629ad692",
+            "url": "https://api.github.com/repos/joomla-framework/utilities/zipball/2e7f37a69162fea02059c764a318a920121f8b4a",
+            "reference": "2e7f37a69162fea02059c764a318a920121f8b4a",
             "shasum": ""
         },
         "require": {
+            "joomla/string": "~1.0",
             "php": ">=5.3.10"
         },
         "require-dev": {
-            "joomla/test": "~1.0",
             "phpunit/phpunit": "4.*",
             "squizlabs/php_codesniffer": "1.*"
         },
-        "time": "2015-03-13 12:29:00",
+        "time": "2015-03-16 18:50:58",
         "type": "joomla-package",
         "extra": {
             "branch-alias": {
@@ -741,20 +741,20 @@
         "installation-source": "dist",
         "autoload": {
             "psr-4": {
-                "Joomla\\String\\": "src/",
-                "Joomla\\String\\Tests\\": "Tests/"
+                "Joomla\\Utilities\\": "src/",
+                "Joomla\\Utilities\\Tests\\": "Tests/"
             }
         },
         "notification-url": "https://packagist.org/downloads/",
         "license": [
             "GPL-2.0+"
         ],
-        "description": "Joomla String Package",
-        "homepage": "https://github.com/joomla-framework/string",
+        "description": "Joomla Utilities Package",
+        "homepage": "https://github.com/joomla-framework/utilities",
         "keywords": [
             "framework",
             "joomla",
-            "string"
+            "utilities"
         ]
     }
 ]
diff --git a/libraries/vendor/joomla/registry/src/Format/Xml.php b/libraries/vendor/joomla/registry/src/Format/Xml.php
index 8dc59cf6bf4cc..e42b185f8e3aa 100644
--- a/libraries/vendor/joomla/registry/src/Format/Xml.php
+++ b/libraries/vendor/joomla/registry/src/Format/Xml.php
@@ -64,7 +64,7 @@ public function stringToObject($data, array $options = array())
 
 		foreach ($xml->children() as $node)
 		{
-			$obj->$node['name'] = $this->getValueFromNode($node);
+			$obj->{$node['name']} = $this->getValueFromNode($node);
 		}
 
 		return $obj;
@@ -120,7 +120,7 @@ protected function getValueFromNode($node)
 
 				foreach ($node->children() as $child)
 				{
-					$value->$child['name'] = $this->getValueFromNode($child);
+					$value->{$child['name']} = $this->getValueFromNode($child);
 				}
 
 				break;
diff --git a/libraries/vendor/joomla/registry/src/Registry.php b/libraries/vendor/joomla/registry/src/Registry.php
index 8c970b8f1d636..3f59af6974021 100644
--- a/libraries/vendor/joomla/registry/src/Registry.php
+++ b/libraries/vendor/joomla/registry/src/Registry.php
@@ -500,13 +500,13 @@ public function set($path, $value, $separator = null)
 		{
 			if (is_object($node))
 			{
-				if (!isset($node->$nodes[$i]) && ($i != $n))
+				if (!isset($node->{$nodes[$i]}) && ($i != $n))
 				{
-					$node->$nodes[$i] = new \stdClass;
+					$node->{$nodes[$i]} = new \stdClass;
 				}
 
 				// Pass the child as pointer in case it is an object
-				$node = &$node->$nodes[$i];
+				$node = &$node->{$nodes[$i]};
 
 				continue;
 			}
@@ -527,7 +527,7 @@ public function set($path, $value, $separator = null)
 		switch (true)
 		{
 			case (is_object($node)):
-				$result = $node->$nodes[$i] = $value;
+				$result = $node->{$nodes[$i]} = $value;
 				break;
 
 			case (is_array($node)):
@@ -574,13 +574,13 @@ public function append($path, $value)
 			{
 				if (is_object($node))
 				{
-					if (!isset($node->$nodes[$i]) && ($i != $n))
+					if (!isset($node->{$nodes[$i]}) && ($i != $n))
 					{
-						$node->$nodes[$i] = new \stdClass;
+						$node->{$nodes[$i]} = new \stdClass;
 					}
 
 					// Pass the child as pointer in case it is an array
-					$node = &$node->$nodes[$i];
+					$node = &$node->{$nodes[$i]};
 				}
 				elseif (is_array($node))
 				{
diff --git a/libraries/vendor/joomla/utilities/src/ArrayHelper.php b/libraries/vendor/joomla/utilities/src/ArrayHelper.php
index 5493cbc8882e8..ea4e764a63911 100644
--- a/libraries/vendor/joomla/utilities/src/ArrayHelper.php
+++ b/libraries/vendor/joomla/utilities/src/ArrayHelper.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Utilities Package
  *
- * @copyright  Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -230,17 +230,24 @@ public static function getColumn(array $array, $index)
 	/**
 	 * Utility function to return a value from a named array or a specified default
 	 *
-	 * @param   array   $array    A named array
-	 * @param   string  $name     The key to search for
-	 * @param   mixed   $default  The default value to give if no key found
-	 * @param   string  $type     Return type for the variable (INT, FLOAT, STRING, WORD, BOOLEAN, ARRAY)
+	 * @param   array|\ArrayAccess  $array    A named array or object that implements ArrayAccess
+	 * @param   string              $name     The key to search for
+	 * @param   mixed               $default  The default value to give if no key found
+	 * @param   string              $type     Return type for the variable (INT, FLOAT, STRING, WORD, BOOLEAN, ARRAY)
 	 *
 	 * @return  mixed  The value from the source array
 	 *
+	 * @throws  InvalidArgumentException
+	 *
 	 * @since   1.0
 	 */
-	public static function getValue(array $array, $name, $default = null, $type = '')
+	public static function getValue($array, $name, $default = null, $type = '')
 	{
+		if (!is_array($array) && !($array instanceof \ArrayAccess))
+		{
+			throw new \InvalidArgumentException('The object must be an array or a object that implements ArrayAccess');
+		}
+
 		$result = null;
 
 		if (isset($array[$name]))
@@ -496,8 +503,8 @@ public static function sortObjects(array $a, $k, $direction = 1, $caseSensitive
 						$locale = $sortLocale[$i];
 					}
 
-					$va = $a->$key[$i];
-					$vb = $b->$key[$i];
+					$va = $a->{$key[$i]};
+					$vb = $b->{$key[$i]};
 
 					if ((is_bool($va) || is_numeric($va)) && (is_bool($vb) || is_numeric($vb)))
 					{
@@ -575,4 +582,43 @@ public static function arraySearch($needle, array $haystack, $caseSensitive = tr
 
 		return false;
 	}
+
+	/**
+	 * Method to recursively convert data to a one dimension array.
+	 *
+	 * @param   array|object  $array      The array or object to convert.
+	 * @param   string        $separator  The key separator.
+	 * @param   string        $prefix     Last level key prefix.
+	 *
+	 * @return  array
+	 *
+	 * @since   1.3.0
+	 */
+	public static function flatten($array, $separator = '.', $prefix = '')
+	{
+		if ($array instanceof \Traversable)
+		{
+			$array = iterator_to_array($array);
+		}
+		elseif (is_object($array))
+		{
+			$array = get_object_vars($array);
+		}
+
+		foreach ($array as $k => $v)
+		{
+			$key = $prefix ? $prefix . $separator . $k : $k;
+
+			if (is_object($v) || is_array($v))
+			{
+				$array = array_merge($array, static::flatten($v, $separator, $key));
+			}
+			else
+			{
+				$array[$key] = $v;
+			}
+		}
+
+		return $array;
+	}
 }