Add new "Collection" model
Copy ProvenancialCollection data to Collection.
ProvenancialCollection is now Collection.
test_settings.py for testing, doesn't need shibboleth
New fixture for loading new instances.
typo fix
Add "collection_type" choice field to Collection.
Add lightweight Repository model.
Add "Repository" model to admin.
Add relation from Collection to Repository.
Update travis test command.
Merge pull request #9 from mredar/master

ProvenancialCollection to Collection + add Repository and fix tests