Dragging now draws a nice line in the opposite direction
Merge branch 'master' into gh-pages

Conflicts:
	maggots.js
Started adding physicsjs
Committing for the sake of showing an issue - physicsjs implementation currently wonky
Merge branch 'physicsjs' into gh-pages
Handrolled a sleep function because PhysicsJS' wasn't working
Made headway with terrain generation, need to solve problem with not being able to make non-convex polygons
Nearly got terrain generation working?
Got terrain gen working slightly better
Got two players sitting on a randomly generated terrain
Fixed collision problems between players and floor, started to re-enable game stuff
Re-enabled all the game stuff and got it working with the new terrain gen
Re-enabled sleeping
Added jumping
Merge branch 'master' into gh-pages

Conflicts:
	maggots.js
Disabled hand-rolled physics sleep code, inbuilt sleep function seems to be working as intended
UI messages are only shown if not undefined
Removed refs to unused script
Added hammer.min.map because it kept complaining about it
Players now have physical bodies and can be directly shot
Shots bounce once before exploding
Friction of players slightly increased
Colours changed (are currently horrible), now stored in global variable