moved graph code into graph file, and cleaned it up
Merge branch 'master' into agent_that_walks_between_rooms

Conflicts:
	game/init.lua
	game/states/play_state.lua
Merge branch 'master' into agent_that_walks_between_rooms
getName returns a number if the name is 'path'w
preparing for pull request
Merge pull request #11 from ZNCatlaw/agent_that_walks_between_rooms

Graph of the ship, and all sign-posts