renamed core.norne to core.env, added some inline docs and stuff
removed norne.evt - events can now be triggered directly over window.norne
added missing exit condition to bsearch
world uses the evt system to update its properties, env extended
updated the demo to use the new norne interface
renamed all utility .obj definitions to util.*
watch and jshint use the correct list of source files now
throw more events. Recalculating sets of ground points will be part of core.world
Merge branch 'master' of https://github.com/luhuec/norne
Implemented first complete roundtrip.

Conflicts:
	src/render/canvas.js
added src/data for data object, moved character and lane there.
Moved norne.register to src/util
Implemented render.clock that handles repainting cycles.
The broker is autonomous now.
Documented render.clock and parts of render.canvas.
Repainting based solely on render.clock.
Fixed issues with gradient painting.
Merge branch 'master' of https://github.com/dreadworks/norne
character canvas renderer added