convert selection support to enyo.kind mixin

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@palm.com>
convert to enyo.kind mixin

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@palm.com>
move auto-binding-support to core

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@palm.com>
Merge branch 'master' into list-prototype