[Pamela] Disable option to see school managment for school administrators
[Pamela] Add option to make report of students without checkins for a specific course
[Pamela] Update view to see report of students without checkins
[Pamela] Add method to seach checkins by course
At creation of user , select the courses the user should attend
List courses at user form to select courses users will attend
Update spec reports
Update user controller spec
Update user model to save the courses that they attend
Update styles for reports
Update fixtures with courses attended by users