precompiled assets
comment back check achievement after mission is graded
add not start for training stats
ordering of staff in select
ordering student list
fix performance lag caused by counting pending comments -- not stable
pending comments added course_id
Merge branch 'development' of github.com:Coursemology/coursemology.org into dev/raymoond

Conflicts:
	app/models/user_course.rb
	app/views/trainings/stats.html.erb