Adds physics that fails to work....
Merge branch 'master' of github.com:tbohlen/fibers

* 'master' of github.com:tbohlen/fibers:
  byebye type errors.
  get rid of compiler complaint.
  update build script.
  working on map loading separate from drawing.

Conflicts:
	build/fibers.js
	fibers.ts
Makes working player physics
Adds working gravity
Merge branch 'master' of github.com:tbohlen/fibers

* 'master' of github.com:tbohlen/fibers:
  ignore/remove build directory contents.
  partway done.

Conflicts:
	build/fibers.js