updated composer.json to accept Symfony 2.2.*

This was the only bundle that was not up to date for the Symfony SE version 2.2.

composer.json

@@ -15,20 +15,20 @@
     ],
     "require": {
         "php": ">=5.3.0",
-        "symfony/framework-bundle": "2.1.*",
+        "symfony/framework-bundle": ">=2.1.0,<2.3-dev",
         "kriswallsmith/assetic": "1.1.*"
     },
     "require-dev": {
-        "symfony/twig-bundle": "2.1.*",
-        "symfony/console": "2.1.*",
-        "symfony/class-loader": "2.1.*",
-        "symfony/yaml": "2.1.*",
-        "symfony/form": "2.1.*",
-        "symfony/dom-crawler": "2.1.*",
-        "symfony/css-selector": "2.1.*"
+        "symfony/twig-bundle": ">=2.1.0,<2.3-dev",
+        "symfony/console": ">=2.1.0,<2.3-dev*",
+        "symfony/class-loader": ">=2.1.0,<2.3-dev",
+        "symfony/yaml": ">=2.1.0,<2.3-dev",
+        "symfony/form": ">=2.1.0,<2.3-dev",
+        "symfony/dom-crawler": ">=2.1.0,<2.3-dev",
+        "symfony/css-selector": ">=2.1.0,<2.3-dev"
     },
     "suggest": {
-        "symfony/twig-bundle": "2.1.*"
+        "symfony/twig-bundle": ">=2.1.0,<2.3-dev"
     },
     "autoload": {
         "psr-0": { "Symfony\\Bundle\\AsseticBundle": "" }