tweaking ace editor
temp commit
Merge branch 'master' into ace-work
finish ace tweaking; fix an issue with restoring scroll position
Improve ImageViewer behavior (Fixed #335). Fixed naming of non-public methods, ivar and accessors.
merge to master
Merge pull request #316 from dart-lang/ace-work

Ace work
archive failure message
Fixed nits
Merge pull request #341 from sunglim/7z_message

grind archive failure message
Merge pull request #342 from dart-lang/windows-build

Windows build
Fixed some behaviors
Merge pull request #340 from dinhviethoa/335-image-viewer-ui-cleaning

Image Viewer cleaning. (Fixed #335)