removed versions in composer.json files

Author: fabpot

composer.json

@@ -26,11 +26,11 @@
         "symfony/config": "~2.2"
     },
     "suggest": {
-        "doctrine/common": "~2.2",
-        "symfony/http-foundation": "2.2.*",
-        "symfony/intl": "2.3.*",
-        "symfony/yaml": "2.2.*",
-        "symfony/config": "2.2.*"
+        "doctrine/common": "",
+        "symfony/http-foundation": "",
+        "symfony/intl": "",
+        "symfony/yaml": "",
+        "symfony/config": ""
     },
     "autoload": {
         "psr-0": { "Symfony\\Component\\Validator\\": "" }