#443 added edit action to contests controller
#443 added update action and contest_params definition in contests controller
#443 added view for edit page
#443 added contests resources to routes
#443 added documentation for contests controller
#443 fix in database insertion
#443 added logic to fix DB insertion for course
#443 added delete action in contests controller
#443 removed unnecessary delete action and added destroy action
#443 removed unnecessary comment in the edit view
#443 added checks in destroy, and implematation fixes
#443 fixes due to change of schema, added commented add problems button
Merge branch 'master' of https://github.com/alaashafaee/Coolsoft-14 into C5_Amir_443_edit_contest_5.17
#443 added seeds for TAs contests, indentation fixes
#443 added seeds for TAs contests
#443 fixed routing issue
Merge branch 'master' of https://github.com/alaashafaee/Coolsoft-14 into C5_Amir_443_edit_contest_5.17
#443 added test for edit action
#443 working tests for edit,update,delete
#443 fixing conflicts with master