Version 0.2.2.0

svn merge -r 14147:14417 https://dart.googlecode.com/svn/branches/bleeding_edge trunk
+ cherry picks: 14424, 14431, 14435, 14436

git-svn-id: http://dart.googlecode.com/svn/trunk@14438 260f80e4-7a28-3924-810f-c04153c831b5