update dartanalyser.jar and Dart SDK for tests
(cherry picked from commit 61d2f19)
Dart support without Dart SDK has no sense, so dependency on Javascript is now mandatory
(cherry picked from commit d7cf866)
dart2js action in context menu
(cherry picked from commit f6e083e)
Dart unittest icon
(cherry picked from commit ea74fde)
Better place to init Dart token attributes
(cherry picked from commit 0af94ae)
cleanup
(cherry picked from commit 8eb1f4f)
2 tests disabled
(cherry picked from commit ee19b2e)
WEB-7906 Filter multiple copies of the 'packages' folder in Dart
(cherry picked from commit ab16363)
Dart parser fix: support foo()=>throw x;
(cherry picked from commit 74aaf0d)