fixed: new student form
fixed views for responsive
mini fix
fixed button size
fixed picture position
WIP: fix student edit
Merge remote-tracking branch 'origin/master' into revise_student_views
fixed student edit: added simple grade tab
merged master
fixed for edit view
Merge remote-tracking branch 'origin/implement_grading_methods' into revise_student_views

Conflicts:
	core/config/locales/en.yml
fixed t labels
Merge remote-tracking branch 'origin/revise_student_views' into implement_grading_methods

Conflicts:
	frontend/app/assets/javascripts/gaku/frontend.js.coffee