Add form to display card page

-added form
-form still doesn't compare
-could not write test(was told to move on)
Added some stuff
Merge branch 'dev' into view-card
worked on compare
Merge branch 'dev' into view-card

Conflicts:
	app/views/cards/display_card.erb
adds counter functionality, correct or incorrect checking

- still need skipping, messaging/errors
game logic almost done

-still need to implement game over catch clause
fix merge conflict on users controller
Merge pull request #11 from hankim813/gameflow-bill-han

Gameflow bill han