Added Gimp Files for all Cards

Added editable gimp files to the repo for all 50 different cards as well
as a card back
Added PNG versions of all cards

Added 51 PNG images for each card in the game
display dummy hand

Replaces cards in the res folder with new deck
Changes Card class in order to access those files
Changes Rank enum order and delete wild and skip enums
Changes the way HumanPlayer displays backs of cards
Added to .gitignore

Adds several file types to be ignored
removes those pesky .metadata files
remove .metadata 2 electric bugaloo
More messing around with the .gitignore list
Merge remote-tracking branch 'origin/PhaseState' into DOPHIN(CompPlayer)