adopt enyo.Scrim as base kind for moon.Scrim

Issue: ENYO-95
Enyo-DCO-1.1-Signed-off-by: Ryan Duffy (ryan.duffy@lge.com)
Merge branch 'master' into ENYO-44-ryanjduffy
Merge branch 'master' into ENYO-44-ryanjduffy
Merge pull request #1697 from enyojs/ENYO-44-ryanjduffy

Fixes ENYO-95

Reviewed-By: Art Dahm (art.dahm@lge.com)
Integrated-By: Aaron Tam (aaron.tam@lge.com)