Fix SonataCoreBundle integration
allow SonataAdminBundle > 2.2.9
Merge branch 'fix_core_bundle' of github.com:rande/SonataDoctrinePhpcrAdminBundle into update_to_latest_admin_bundle

Conflicts:
	composer.json
adding changelog note
Merge pull request #246 from sonata-project/update_to_latest_admin_bundle

allow SonataAdminBundle > 2.2.9