Change the storage for settings from local to sync.
Merge branch 'master' of github.com:eterevsky/textdrive-app
Make Closure compiler happy.
Merge branch 'master' of github.com:eterevsky/textdrive-app
Merge branch 'master' of github.com:eterevsky/textdrive-app
Remove debug output in tabs.
Fix onChange event handler in Settings.
Remove Settings from background page.
Fix auto-save upon closing the window. Respect the 'autosave' setting, save the file before its entry is garbage collected.

Close #10