markdown directive for old admin
use new directive in old admin interface
Merge branch 'master' of github.com:hacklabr/timtec

Conflicts:
	administration/static/js/admin.js
	administration/templates/_base.html
put back the buttons to edit course texts
dettach directive contenteditable from admin code
workaround to prevent ie cache javascript api
fixes js semicolons and adds analytics tracking  for unit
Merge branch 'staging'