[frontend] Endpoints /users/current and /users/:userID
[frontend] Fix GET /users/X/sources/Y
[backend] Still more unicode string tweaks to RDF store
[frontend] User profile page, including gravatar there and in the top bar
[backend] Include entry URI in returned objects
[frontend] Browse sources (currently only stock sources are linked in UI)
[frontend] Generate credit on drag-and-drop from catalog source list
Merge pull request #29 from commonsmachinery/plugin-demo

Initial plugin support