removing sample folder of cas plugin
using authenticated_user in login controller
Refactored skills to be have a many-to-one student relation
Reverting wrongly modified files
Now it works
stage 1 changes, wait to be merged
skills fix
finally merged
Merge branch 'k1/cleanup' of github.com:TheArchitects/Spillio into k1/cleanup

Conflicts:
	app/models/skill.rb
	app/models/user.rb
exporting db structure
Fixed styling of skills input area
For some reason the schema didnt get uploaded
Merge pull request #33 from TheArchitects/k1/cleanup_fixedcss

K1/cleanup fixedcss
Solved conflicts and merged with latest master
Fixed small bug, removed unnecessary whitespace
Merged from master, fixed conflicts. Untested
Fixed bugs related to new skill system
Removed file submission thingys, moved them to sep branch
Removed unnecessary code form user
Reordered features