first commit of upgrade to symfony 2.3
alter dependency for symfony
remove obsolete routing-extra-bundle
updating dependencies and debugging
update sonata
fix dependencies for sonata and mops bundles
correct the mops-bootstrap version
remove dependency on knp menu bundle
remove the sonata-project admin bundle from the dependencies, will be included with SonataDoctrineOrmAdminBundle
fixed routing issues
Merge branch 'refs/heads/master' into upgrade_2.3

Conflicts:
	Entity/ContentRoute.php
initial separation from entity and model to prepare for use with different db setups
Orm Xml Definitionen
addition of mongodb document classes
Merge branch 'refs/heads/master' into upgrade_2.3

Conflicts:
	Controller/MediaAdminController.php
	EventListener/PageListener.php
get the cms running with new setup
tag entity in bundle and not from sonata
Clean Up ORM-Definitions in Listener und Controllers
Fixes for Frontend
Calls BaseStage Static-Property instead of Page