Merge pull request #1312 from tschneidereit/nat

Improvements to shell unit test runner
refactored into Shumway.Tools.Profiler, separated classes
import methods to create/return buffer
prevent container from scrolling
cosmetics
ignore js files
moves browser profile import methods to TimelineBuffer class
One pixel vertical spacing between frames.
Creates dataBuffer.ts
Merge branch 'nat' of github.com:mozilla/shumway into nat
Merge remote-tracking branch 'origin/nat' into nat

Conflicts:
	src/flash.ts/display/Graphics.ts