Merge remote-tracking branch 'origin/spark-dialog-3' into spark-dialog-5-styling-controls
WIP control styling: undoing Bootstrap
Improve plus-minus buttons' look in "Settings" dialog
Use SVGs from Polymer for plus-minus buttons
Cleanup
Merge remote-tracking branch 'origin/spark-dialog-4-styling' into spark-dialog-5-styling-controls
Merge remote-tracking branch 'upstream/master' into spark-dialog-5-styling-controls
Revert some of the changes in `Improve plus-minus buttons' look in "Settings" dialog` (reverted from commit 64d39721323c9d03c1a9b271e33958db7ff8c611)
Merge remote-tracking branch 'upstream/master' into spark-dialog-5-styling-controls
Merge remote-tracking branch 'upstream/master' into spark-dialog-5-styling-controls
Numerous refinements to spark-dialog
Small optimization to how error and message dialogs get shown
Minimal fix to restore "Git credentials cleared" and "Preferences reset" in Settings

Should implement a real fix using spark-status
Somewhat clearer dialog titles/messages
Fix 100 identical dart2js warnings
Fix bogus dart2js warning
Fix a message
Fix bug in returning git status.
Merge pull request #2216 from dart-lang/fix_git_add

Fix bug in returning git status.
Merge pull request #2193 from ussuri/spark-dialog-5-styling-controls

Styling controls in <spark-dialog>