[sluggable] don't try to disable an already disabled one
Removed final attribute for ExtensionMetadataFactory and made getDriver() method protected rather then private
Made ExtensionMetadataFactory fields altered from private to protected.
allow versioning for odm reference-one fields
Maker postFlush work with AbstractPersonalTranslation
Merge pull request #723 from MDrollette/odm-reference

[Loggable] allow versioning for odm reference-one fields
Merge pull request #722 from danny-cassidy/non-final-extensionmetadatafactory

More Flexible Encapsulation for ExtensionMetadataFactory class
Merge pull request #720 from fvilpoix/sluggable-filters

[sluggable][managedFilters] don't try to disable an already disabled filter
Merge pull request #726 from mrzard/listener_enable_personaltranslation

Make postFlush work with AbstractPersonalTranslation