GF-37475: Add "posProp" which controls the abs positioning property, which is flipped for RTL.
DCO-1.1-Signed-Off-By: Kevin Schaaf <kevin.schaaf@lge.com>
Merge pull request #564 from enyojs/GF-37475-kevinpschaaf

GF-37475: RTL List support

Reviewed-By: Ben Combee (ben.combee@lge.com)