Merge pull request #1451 from lsmith77/composer_tweaks

use ~ syntax in composer.json dependencies

composer.json

@@ -17,24 +17,24 @@
         }
     ],
     "require": {
-        "symfony/http-foundation": ">=2.2,<2.4-dev",
-        "symfony/form": ">=2.2,<2.4-dev",
-        "symfony/validator": ">=2.2,<2.4-dev",
-        "symfony/security-bundle": ">=2.2,<2.4-dev",
-        "symfony/routing": ">=2.2,<2.4-dev",
-        "symfony/config": ">=2.2,<2.4-dev",
-        "symfony/console": ">=2.2,<2.4-dev",
-        "symfony/twig-bridge": ">=2.2,<2.4-dev",
-        "twig/twig": ">=1.12,<2.0-dev",
+        "symfony/http-foundation": "~2.2",
+        "symfony/form": "~2.2",
+        "symfony/validator": "~2.2",
+        "symfony/security-bundle": "~2.2",
+        "symfony/routing": "~2.2",
+        "symfony/config": "~2.2",
+        "symfony/console": "~2.2",
+        "symfony/twig-bridge": "~2.2",
+        "twig/twig": "~1.12",
         "knplabs/knp-menu-bundle": "~1.1",
         "sonata-project/jquery-bundle": "1.8.*",
         "sonata-project/exporter": "1.*",
-        "sonata-project/block-bundle": ">=2.2.1,<3.0",
-        "doctrine/common": ">=2.2,<3.0"
+        "sonata-project/block-bundle": "~2.2.1",
+        "doctrine/common": "~2.2"
     },
     "require-dev": {
         "jms/translation-bundle": "*@dev",
-        "sonata-project/intl-bundle": "2.1.*"
+        "sonata-project/intl-bundle": "~2.1"
     },
     "suggest": {
         "sonata-project/doctrine-orm-admin-bundle": "2.2.*@dev",