[foldermodel] LauncherFolderModel migrated.
[notifications] New Notifications screen.
[qmlpath] Migrate to new Lipstick QmlPath API.
[labels] Show application names in covers.
[dialogs] Dialog support.
[usbmode] USB mode selector.
[volume] Volume controller.
[version] Bump version.
Merge pull request #26 from locusf/master

Notifications screen, application title in covers and LauncherFolderModel, also USB mode selection window.