Repo nav in metadata views and many repairs for projects.
Fixed permission? method for :reader role.
use cancan for changing license models of an ontology
simplify license model index view
Repaired project test and moved to rspec.
Merge branch 'staging' into augmenting228_domain_field_properties
Merge pull request #526 from ontohub/augmenting228_domain_field_properties

Ontology metadata. (Let's keep #228 open for now.)
Merge branch 'staging' into develop