instructor basic
Change main content bg-color to match the mockups.
start update chat
create new menu
badge for main menu
added message listen count
Instructor. Gradebook page(static)
erge branch 'master' of https://github.com/ArsenBatyuchok/elearning

Merging to push local changes.
Tiny styles update for Instructor gradebook.
Instructor gradebook page(dynamic).
course list page
start create edit course page
finish course edit page
small fix for course edit
small fix for course edit
icons
Merge branch 'master' into chats