Updated license header
Remove unused widgets
Updated Sakai references to OAE references
Self review
Updating license URL to existing one
Merge pull request #2900 from nicolaasmatthijs/license

License + URL clean-up
Merged dooremont's translations PR + fixed type limitations + extrapolated type limitation to other languages + translation clean-up[
Merge branch 'master' of github.com:oaeproject/3akai-ux