Merge pull request #1501 from mbebenita/avx

Add IRC notifications.
Merge pull request #1511 from mbebenita/avx

Pass the background color around.
Adds onFrameProcessed event
Merge branch 'nat' of github.com:mozilla/shumway into nat
Fixes ref test screenshot
Fixes trace tests
Misc font fixes
Merge pull request #1513 from tobytailor/nat

Misc font fixes
Fontfixes
Remove unused code and properties
Ensure initial glyph segment
Remove uninitialized variable
Fixes bundle testing
Fixes grunt commands for testing
Merge branch 'nat' of github.com:mozilla/shumway into nat
Fontfixes
Merge branch 'nat' of github.com:mozilla/shumway into nat
Merge pull request #1515 from yurydelendik/nat

Fixes reftest testing for 'bundle' mode
Merge branch 'nat' of https://github.com/tobytailor/shumway into tobytailor-nat
Merge branch 'tobytailor-nat' into nat