GF-3217: Implement an initial transition.
GF-3217: Implement an initial transition.

If there is nothing in internal transition, moon.Panels act just as
usual.

Enyo-DCO-1.1-Signed-off-by: David Um <david.um@lge.com>

mcanthony/moonstone,enyojs/moonstone,mcanthony/moonstone,mcanthony/moonstone