Fix pubspec.yaml syntax around '-polymer --csp' flag
Moved menu button to left of file filter in top toolbar
Change main menu icon to the standard one
Combine "search" & "more search" icons in a single SVG
Fix positioning/resizing problems in prev. commit + cleanups
Merge remote-tracking branch 'upstream/master' into menu-button
Add hoverStyle attr to <spark-button>
Use new built-in hoverStyle to customize search mode button
Add git merge UI.
Add git merge.
Merge branch 'master' into git_merge
Add git merge command.
Remove debug messages.
Added comments and indent fixes.
Upgrade to latest Web Starter Kit
Add description for Web Starter Kit in New Project dialog
Update pubspec.yaml

Upgrade to the latest (0.5.4) version of ace.

@umop
fix a timing issue with dart analysis
fix an issue with dart2js and spaces in the path
Implement new Json parser reporting source locations.