Dispatch app event `settings` when Settings Charm activated
Bump version number
Fixes the white screen of death problem.

This occurs when the app starts up after previously being terminated. Also thow an exception if app enters with anything but a `kind` = launch. Lot's more work on supporting other kinds to come. Also bump version to 0.0.0-2.
Process collection change notification handlers on next tick.

This allows WinJS UI elements to finish rendering themselves when multiple events are triggered.
Up version.