Finished porting compiler, but not very well tested.
Merge pull request #1317 from tschneidereit/nat

Fix shell unit testing script
Add missing file.
Merge branch 'nat' of https://github.com/mozilla/shumway into nat
Keep track of line width state.
Add feature to always force repaints, good for profiling GFX.
Fix shell unit testing script
Support binary symbols
Merge branch 'nat' of github.com:mozilla/shumway into nat
Add test for binary symbols
Fix porting mistake.
Fix how ellipses are drawn.
Scale stage on retina.
Clear screen in 2D backend.
Prevent recursion in regex getters.
Merge branch 'nat' of https://github.com/mozilla/shumway into nat
Don't do anything when hidden or blurred.
Fix include path.
Remove f64 view since it's not really used.
Make options bar a little narrower.