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
add model implementation of deleting reader permissions
add hint to form of private repos
Merge branch 'augmenting361_private_repositories' into develop
filter accessible repositories
list private repositories in index
Merge branch 'develop' of github.com:ontohub/ontohub into develop
Merge branch 'augmenting361_private_repositories' into develop
Merge branch 'develop' into develop.ontohub.org