GF-33973: Use enyo.master as root of event chain, since this is more reliable than enyo.roots, which doesn't get populated until the app view renders.  Also remove default initial spotlight, and add code for bootstrapping 5-way using enyo.roots if available. Signed-Off-By: Kevin Schaaf (kevin.schaaf@lge.com)
GF-33973: Use enyo.master as root of event chain, since this is more reliable than enyo.roots, which doesn't get populated until the app view renders.  Also remove default initial spotlight, and add code for bootstrapping 5-way using enyo.roots if available.
Signed-Off-By: 38b4dec1f5b27072a1951c7ab42aca09271a6d55@lge.com)

mcanthony/spotlight,kidaa/spotlight,enyojs/spotlight