Migrated and initial commit
exterminated remnants of the medium calls
Added medium model with a has one belongs to relation with art piece
fixed medium_id_id issue
switched relation to has many belongs to
added medium form to art piece
fixed issue where art piece index page was displaying object not object name
fixed mistakes in style
added indexing of media
added medium to search and index view
added medium as a facet
added comment in art piece model
Merge pull request #97 from osulp/feature/MediumModel

Feature/medium model