Moved the denotes required field
Add all required classes
Instructors index
Students index
Change links around
Merge commit 'a66c3f06a3df52d5b8812da20802e54682d365f3'

* commit 'a66c3f06a3df52d5b8812da20802e54682d365f3':
  Change links around
  Students index
  Instructors index
  Add all required classes
  Moved the denotes required field