add postLoadTranslationEvent
correct to bindTranslation
add test for bindTranslation event
fix test
put postPersist test back
add translation needs to test object
create tests for bindTranslation
remove un-needed stuff
Merge pull request #474 from ElectricMaxxx/bind-translation-event

Bind translation event
add tests for translated assoc array
Merge branch 'assoc-translation'

fix #473
avoid reloading translated fields when not needed. some cleanups for refresh.
adjust attribute translation strategy to not null everything on a missing locale