remove final from ORM Adapter class declaration
Merge pull request #881 from ghaliano/ORM-adapter-final-fix

remove final from ORM Adapter class declaration
Datetime support with default dateFormat DateTime::RFC2822
Change default date format to Y-m-d-H:i
Fix: Travis fail #13093312
Merge pull request #795 from GeoffreyHervet/master

Adding support of datetime in Sluggable Annotation