CORE DATA added album entity, relationship with gem and user
added album collection view and cells
added album cell and default album to albumsController
updated AlbumCell appearance; added "add new album" cell
added album flow layout; added custom cell frames and content size for AlbumFlowLayout

code cleanup
AlbumsViewController and GemBoxViewController have a currentAlbum object
added albumPredicate; when currentAlbum exists, gembox filters only for gems of that album
album and gem relationships save to parse; gem detail view has option to move to album
Merge pull request #29 from mitrenegade/album

Album