Merge pull request #1250 from tschneidereit/nat

Fixes to TextFormat and some small optimizations in utilities.ts
Fix rectangle bugz.
Merge branch 'nat' of https://github.com/mozilla/shumway into nat
WIP: more timeline refactoring
Some simple fuzzer code.
Merge branch 'nat' of https://github.com/mozilla/shumway into nat
Fix package name.
Add clz32 to lib.d.ts
More timeline updates
Misc fixes and cleanup
Merge branch 'nat' of https://github.com/mozilla/shumway into nat
Move cxform initialization around.
Comments.
Add blendMode getter/setter.
Implements more stuff in DO and some test cases.
Add comments.
Refactors inspector references
Fixes testing
Optimize animated display object handling
Update buttons