Add permissions

Add permissions to quizzes, quiz_submissions, and lessons
Add Breadcrumbs
Fix naming when taking a course test
fixed default css stylesheet colors
Auto complete lesson when all quizzes are taken
Revert "Add Breadcrumbs"

This reverts commit 475e8df8749fb440f86ff363b0b7b2ca55068fd6.
add breadcrumbs
Merge remote-tracking branch 'origin/Kevin'
Fix lesson controller when test failed
added customized start pages for each user type | added change password function for students and for instructors
Merge branch 'master' of https://github.com/scheibk/sweng500 into billdev