Enabled Symfony 3.0 components

Author: hason

composer.json

@@ -14,8 +14,8 @@
         "psr/http-message": "~1.0",
         "psr/log": "~1.0",
         "zendframework/zend-diactoros": "~1.0",
-        "symfony/http-foundation": "~2.7",
-        "symfony/console": "~2.5"
+        "symfony/http-foundation": "~2.7|~3.0",
+        "symfony/console": "~2.5|~3.0"
     },
     "require-dev": {
         "satooshi/php-coveralls": "dev-master"