fix(scope): correctly setup NgZone onError handler with ExceptionHandler

Close #621
chore(karma): remove unsupported --no-color option

Use --no-colors instead

Closes #613
style: Dart CC requires a space after if and for
style: get ride of the for.length JS heritage

Closes #615
fix(dynamic_parser): Handle reserved words correctly

Closes #614
perf(scope): misc optimizations

Closes #610
feat(scope): add scope digest stat collection

Closes #609
chare(travis): enable gitter web-hook