Enroll in a course
Enrollment Files
Comments and Function Naming
Removed click
Merge branch 'master' of github.com:Eduki/eduki into enroll

Conflicts:
	app/assets/javascripts/collections/enrollments.js
	app/assets/javascripts/models/enrollment.js
	app/assets/javascripts/views/courses/courses_overview.js
	app/assets/stylesheets/style.css
	app/assets/templates/courses/overview.jst.ejs
Enroll Tests
Non-logged in user won't see enroll button
changed double quotes to singel quotes in courses_overview_spec
fixed strange indentation
Merge pull request #73 from Eduki/enroll

Enroll