Allow 3.0 symfony components we depend on

Author: Luis Pabon

composer.json

@@ -18,12 +18,12 @@
     "require": {
         "php": ">=5.3.3",
         "friendsofsymfony/oauth2-php": "~1.1.0",
-        "symfony/framework-bundle": "~2.2",
-        "symfony/security-bundle": "~2.1"
+        "symfony/framework-bundle": "~2.2|~3.0",
+        "symfony/security-bundle": "~2.1|~3.0"
     },
     "require-dev": {
-        "symfony/class-loader": "~2.1",
-        "symfony/yaml": "~2.1",
+        "symfony/class-loader": "~2.1|~3.0",
+        "symfony/yaml": "~2.1|~3.0",
         "willdurand/propel-typehintable-behavior": "~1.0,>1.0.4",
         "doctrine/mongodb-odm": "1.0.*@dev",
         "doctrine/doctrine-bundle": "~1.0",