added reproduction class and added it to persistence.xml
added dao operations for Reproductions
linked reproduction to Artwork
added basic retrieval operations for reproductions
added reproduction by artcollection retrieval
added reproductions to populate function for testing
added Artwork related endpoints for reproduction listing
added reproductions to official test setup
added count support for artwork listing query
added count query support to api on listArtwork
removed useless functions
Merge branch 'feature/reproduction' into develop
solving conflicts