Showing class's professor course just for course's coordinator
Tests of ClassUpdateView (not passing yet)
partly fix issue #3647
Blocking non-coordinator professor change class's professor
Test fixed (and passing)
New test: test_coordinator_professor_should_can_change_class_professor (passing)
fix issue #3638
remove span from anchors in nav.course-sections add tools item and put tutor course links in a dropdown
fiz issue #3835
fix nav.course-sections in IF theme
fix .course-details styles in IF and default themes
fix nav.course-sections tools item color when open
New test: test_coordinator_professor_should_can_change_class_professor
add a check icon to highlight started courses
fix div.course-details
add tool's dropdown menu
create get_current_class template tag
show assistant professor and current user course class
add tab menu to filter courses user follow as student from courses where user is admin
courses list adjusts
show adicional material edition in admin
Merge branch 'master' into highlight-started-course