Prepare 0.2.2 release
Prepare 0.2.2 release

thso/dartlang,alechenninger/dartlang,dart-atom/dartlang,agudulin/dartlang,xxgreg/dartlang,thso/dartlang,alechenninger/dartlang,dart-atom/dartlang,xxgreg/dartlang,agudulin/dartlang,agudulin/dartlang,thso/dartlang,xxgreg/dartlang,alechenninger/dartlang