added Registry
added Parent
Added .gitignore
renamed package
renamed package
rename package
Merge remote-tracking branch 'origin/master'
Added EFAttribute Annotation
Implemented HashCode-Functions in Entity
Added tests for HashCode-Functions in Entity
Added add Method for Registry
Fixed bug
Added markDirty Method in Entity-Object
Merge remote-tracking branch 'origin/master'
Deleted lesson plan
Implemented getDiryObjects Method in Registry
Changed unmodifiableCollection to unmodifiableList
upstream updates
upstream updates
Merge remote-tracking branch 'origin/master'
merge branch master from schiener
merge persistence