fixed doctrine/common requirements

composer.json

@@ -18,7 +18,7 @@
     ],
     "require": {
         "php": ">=5.3.2",
-        "doctrine/common": "2.2.*",
+        "doctrine/common": "2.1.*",
         "monolog/monolog": "1.0.*",
         "swiftmailer/swiftmailer": ">=4.1.2,<4.2-dev",
         "twig/twig": ">=1.1,<1.5-dev"

src/Symfony/Bridge/Doctrine/composer.json

@@ -18,7 +18,7 @@
     ],
     "require": {
         "php": ">=5.3.2",
-        "doctrine/common": "2.2.*"
+        "doctrine/common": "2.1.*"
     },
     "recommend": {
         "doctrine/dbal": ">=2.1",