Implemented initial permissions with cancancan, added ability.rb
User log in log out now working well, squashed some bugs
Comments and categories can now be removed via evals/id/edit
Schema post-db rollback
Merge branch 'new'

Conflicts:
	app/views/layouts/application.html.erb
	db/schema.rb
Merge branch 'master' of github.com:brandoshmando/final-project

Conflicts:
	app/models/user.rb