Implement Card class
And start implementing deck class

Committed by: Alec Thompson - ajthompson
Merged with team repo
Finished Deck Class
A default deck can be created using the Deck() constructor, while a specific one can be created by entering a name and an array of integers

Committed by: Alec Thompson - ajthompson
Merge pull request #37 from ajthompson/dev-poker-decks

Added poker cards and decks
Header: added icons for new game and modify game buttons

added icon files for new game and modify game buttons

Reported-by: bnurbekov
Signed-off-by: Batyrlan Nurbekov <bnurbekov@wpi.edu>