created generic openable chests
added a treasure chest to gay-island-2
Merge branch 'master' into generic_spawn
Note: must remerge jhoff's changes from deleted file

Conflicts:
	src/maps/black-caverns.tmx
	src/nodes/enemies/turkey.lua
	src/nodes/enemySpawn.lua
removed unnecessary image
weapon tweak
Adds Kevin
Merge branch 'generic_spawn' into keys
WIP 1
added support for doors and chests to use keys
added door sound effects
removed unnecessary key material
changed white crystal to a key
Merge remote-tracking branch 'jhoff/kevin' into testing
Merge branch 'one_weapon_out2' into testing

Conflicts:
	src/level.lua
subsumed enemySpawn into spawn
WIP