supports ducking
floor collision bug fixes
adds sliding underneath ceilings while escaping ducking
Merge branch 'master' into duck

Conflicts:
	src/nodes/floorspace.lua
	src/player.lua
reverted floorspace change
locks the player into his original ducking direction
fixed jumpkill bug

Conflicts:
	src/nodes/enemy.lua
Merge branch 'master' into duck_merge

Conflicts:
	src/nodes/block.lua
	src/nodes/enemy.lua
	src/nodes/floor.lua
	src/nodes/platform.lua
	src/nodes/wall.lua
ignores platforn collisions with player's head
removed unnecessary files
improved duck sliding
fixes top bb block jumping
simplifies ducking code
can't reproduce dying
gay island complete turnover
try to find winter wonderland
rainbow bar modified
stupid fish
fixes infinite pickup bug in inventory
Merge branch 'master' into duck

Conflicts:
	src/nodes/enemy.lua
Merge pull request #954 from NimbusBP1729/infinite_torches

fixes infinite pickup bug in inventory
Merge pull request #948 from NimbusBP1729/disallow_exit_on_death

can't reproduce dying