Update enyo.Select so it is bindable, and syncs
Update enyo.Select so it is bindable, and syncs

Been using a lot of enyo.Select's in an app, and noticed the selected
property and value can get out of sync. Also, you could not bind to
selected. With these changes you can now bind to both selected and
value, and they stay in sync.

Also add properties for size and multiple

Enyo-DCO-1.1-Signed-off-by: Chris Van Hooser <chrisvanhooser@gmail.com>

soapdog/enyo,bright-sparks/enyo,wikieswan/enyo,beni55/enyo,kustomzone/enyo,enyojs/enyo,PKRoma/enyo,beni55/enyo,mcanthony/enyo,kustomzone/enyo,soapdog/enyo,mcanthony/enyo,wikieswan/enyo,PKRoma/enyo,enyojs/enyo,bright-sparks/enyo