use SlideViewLayout as default layoutKind for ViewManager
use SlideViewLayout as default layoutKind for ViewManager

Also use cover style by default for floating ViewManagers

Enyo-DCO-1.1-Signed-off-by: Ryan Duffy (ryan.duffy@lge.com)

enyojs/enyo,PKRoma/enyo,enyojs/enyo,PKRoma/enyo