0.4.3.0
Version 0.4.3.0 .
svn merge -r 20113:20419 https://dart.googlecode.com/svn/branches/bleeding_edge trunk
svn merge -c 20422 https://dart.googlecode.com/svn/branches/bleeding_edge trunk

git-svn-id: http://dart.googlecode.com/svn/trunk@20424 260f80e4-7a28-3924-810f-c04153c831b5