New reference repositories now receive a solution folder (was causing Internal Server Errors because of missing dir)
Merge branch 'master' of https://github.com/web-cat/pythy
Merge branch 'artur-master'
Updated skulpt to 3-ish branch.  Removed turbolinks.  Added Eclipse/aptana project file. Minor cap deployment tweaks.
Minor tweaks to messages for enrollment controls.
The can:read/can:manage tests traced user->course relationships in both directions (and was causing trouble), but only one direction is enough, so I removed the reverse-relationship-walk.
Unimportant changes to Gemfile
Merge branch 'master' of https://github.com/web-cat/pythy
Fixed navbar position bug.