Merge branch 'augmenting365_paginate_repository_history' into develop

Conflicts:
	app/models/ontology.rb
Merge branch 'augmenting_add_history_link_from_files_and_dirs' into develop
Merge branch 'augmenting_add_history_link_from_files_and_dirs' into develop
Removed dead code
Button for manual reparsing of a specific ontology added.

closes #340
try to fix production mode categories
Merge branch 'develop' of github:ontohub/ontohub into develop
another try to fix the categories in Production mode
another try to fix jstree
treeview for owl ontologies
prepairing view for switching between display modes for owl
add private flag to repository (no functionality yet)
Merge branch 'staging' into augmenting361_private_repositories
Merge branch 'staging' into augmenting361_private_repositories
Merge branch 'staging' into augmenting361_private_repositories
Merge branch 'correcting460_authorization' into augmenting361_private_repositories
merge with 460
change tests for private repository abilities
add new abilities for private repositories and make use of it
add test for deleting private flag