Revert a69cca1..7253d26

This rolls back to commit a69cca170239f958449812e8c3e4c89f06879a85.
Revert "Merge branch 'master' of https://github.com/Grashalm/learntoprogram_prototype"

Conflicts:
	teacher/app/js/directives.js
	teacher/app/js/directivesCode.js