Added syndicate playing cards. As a consequence card code now supports multiple deck styles.
Fixed some stupid snowflake in card attacking
Merge remote-tracking branch 'origin/master' into inb4gambittraitor
Added a deck of syndicate playing cards to the Syndicate Mothership.
Refactored card code to remove copypasted variable assignment. Card objects are now children of /obj/item/toy/cards.
Refactored card vars. Fixed some broken card deck instances on the map.
Merge remote-tracking branch 'origin/master' into inb4gambittraitor

Conflicts:
	icons/obj/toy.dmi
Merge pull request #2393 from Balrog-was-here/inb4gambittraitor

[MAP] Syndicate playing cards and deck style support for playing cards