contest details form updated with am and pm options
Included date validation in contest creation
Removed unneccessary authorization files from auth folder
Added cgi-bin directory to repository
Removed test.php
Added a additional field for problem code while creating problems in contest.\nCreated Variables.txt for description of variables used in this project
Modified Varibles.txt
Categorized the contests into future,present and past
in compiler/user_contest.php. Removed cookies creation in cgi-bin/createContest.py
Modified error message in admn_contestup.php.
and appearance in user_contest.php
user_contest.php:changed appearance