Merge pull request #373 from mbebenita/master

Fix ESC.
Fixing jshint basic warnings
Merge pull request #374 from yurydelendik/jshint-avm1

Fixing jshint basic warnings in AVM1
Disable Control Tree massaging, since it is unsound.
Fix ESC generated multinames in the verifier.
Merge branch 'master' of https://github.com/mozilla/shumway