updated evidence

Evidence can now require other evidence
Merge branch 'testing' of github.com:brwhale/president-game into testing
Overhauled the GUI system

*GUI now scales to any size
*GUI now displays examined evidence descriptions
*Players can now examine evidence
Merge branch 'testing' of github.com:brwhale/president-game into testing
Added a bunch of stuff to the whitehouse

New:
*3 Evidence now in place, player can kinda win the game!
*Teleporter to Dining hall put in place

Fixed:
*Text within GUIs now wrap properly
*Changed stupid HUD text from 'teleport' to 'move' The president isn't a god-damned teleporter!