ENYO-2270: Refined error handling while rendering a kind in the Designer

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>
ENYO-2270: Fixed error: unable to find requested super-method from -> IFrameDesigner.currentKindChanged()

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>
ENYO-2270: Serialize components of List and Repeater

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>