Merge pull request #64 from silvano-a/dependency-update

Update dependency constraints

Author: niels-nijens

composer.json

@@ -15,7 +15,7 @@
         "ext-xsl": "*",
         "doctrine/orm": "^2.5",
         "flexmodel/flexmodel": "^1.0",
-        "ocramius/proxy-manager": "^1.0",
+        "ocramius/proxy-manager": "^1.0 | ^2.0",
         "symfony/console": "^2.8 | ^3.0",
         "symfony/form": "^2.8 | ^3.0",
         "symfony/framework-bundle": "^2.8 | ^3.0",