#447 added add_problems action in contests controller
#447 added initial view for add problems page
#447 view fixes, now name and description show correctly
#447 added routes
#447 added add action in contests controller
#447 bug fixes, added functionality of adding problems
#447 added documentation and removed unnecessary instance variable
#447 removed unnecessary comment
#447 added seeds for TAs contests
#447 indenation fixes
#447 fixed routes conflict
#447 modified seeds to match create contest seeds
#447 added check on course contests problems
#447 added seeds for course contests
#447 fixes in course contests logic
#447 added seeds for TAs contests
#447 display simple message in case of no problems
#447 fixed routes conflict
Merge branch 'master' of https://github.com/alaashafaee/Coolsoft-14 into C5_Amir_447_add_contest_problem_5.18
#447 added rspec for add_problems and add in contests_controller_spec