Fix the requirement lists comparison. Fix end date null pointer.

Tianchang Gu, Tony Garside
Merge branch 'dev' of https://github.com/cs3733bdt/wpi-suite into dev

# By dcuzunoglu (2) and Jeffrey Signore (1)
# Via Jeffrey Signore
* 'dev' of https://github.com/cs3733bdt/wpi-suite:
  Changed submit and clear buttons to have correct names and be formatted correctly. Jeffrey Signore
  Adds tests for Deck class. Fixes a minor issue in Deck class where the ArrayList variable's initial letter was a capital letter.
  fixes the nullpointer in creategamepaneltest