Remove unused libraries from RepeaterSample.html

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Add enyo.scroller wrapper to stsnd alone DataRepeaterSample

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Change enyo kind deferral to put static items on deferred constructor, allowing more kinds to be deferred.
Update enyo.Source and enyo.Store to no longer create a defaultSource using enyo.ready, but instead when it's first needed.  This avoids having that tree of kinds automatically created if they're not used.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge pull request #363 from enyojs/defer-with-statics

Defer with statics