work on being ablt to cancel a mobile deploy
Merge branch 'master' into devoncarew_cancel_deploy
cleaned up cancel code
Implemented projects separators (fixed #1555)
add todo:
review comments
Merged
Merge pull request #1993 from dinhviethoa/1555-files-view-separator

Implemented projects separators in files view
Update files_controller.dart
Renamed cannot_launch.html -> *.htm to prevent pub processing
Merge pull request #1999 from ussuri/warnings-in-dart2js-run

Renamed cannot_launch.html -> *.htm to prevent pub processing
Fix broken push.
move the send feedback action
Merge pull request #2001 from devoncarew/devoncarew_move_feedback

move the send feedback action
Throw exception in git clone for submodules.
Show error on clone if repo contains submodules.
Merge pull request #2000 from dart-lang/git_push

Fix broken push.
adding main entry library for docs and fixed library name for menu separator
Merge pull request #2004 from financeCoding/spark_widgets_lib

adding main entry library for docs and fixed library name for menu separ...
reorder import/export