add basic pagination to repository history (#365)
change history pagination to kaminari
Merge branch 'staging' into augmenting365_paginate_repository_history

Conflicts:
	app/views/files/history.html.haml
Merge pull request #403 from ontohub/augmenting365_paginate_repository_history

Paginate repository history
Merge branch 'staging' into staging.ontohub.org