call fewer ace methods
Remove <template id="editor-dialog">: no longer used
Add more git exception types.
Throw proper exception in git status.
check for dirty tree, before committing.
fix push dialog.
Merge pull request #2223 from dart-lang/fix_push_dialog

fix push dialog.
Fix committing empty untracked folders.
Merge pull request #2224 from dart-lang/empty_untracked_folders

Fix committing empty untracked folders.
Merge pull request #2163 from devoncarew/devoncarew_ace_tweaks

call fewer ace methods
Rename FileStatus to ScmFileStatus.
Show git add only when applicable for folders.
cleanups redux
Merge pull request #2226 from devoncarew/devoncarew_cleanups

cleanups redux
Additional changes in Polymer package names
delay updateIndex post commit.
Update status for folders.
Merge pull request #2228 from dart-lang/update_folder_status

Update status for folders.
Merge branch 'master' into fix_update_index
Merge pull request #2222 from dart-lang/optimize_commit

Optimize commit