[evol] preliminary artworks context menu (reverted license to GPL2+, to be compatible with Proto.Menu and possibly other plugins)
[evol] added tags and fixes a few typos
[evol] language can be forced in the user admin page (closes #6) (no user interface yet)
[fix] renamed 'technique' into more appropriate name 'artwork_support', and update schema and translations (Closes #4)
[fix/evol] forgot new files in the previous commits and check admin status to access user management
Initial version