Before Merge
Merge remote-tracking branch 'origin/latte'
fixed schedule background calendar & navbar
wut
Most finish multiple
Merge remote-tracking branch 'origin/yifan/roster'

Conflicts:
	app/views/layouts/application.html.haml
Merge remote-tracking branch 'origin/latte'

Conflicts:
	app/models/student.rb
New program bug not fixed.
Program Page add new failed.
Delete on program page implemented.