tree a0e331048cb77195e52e9cc95604925e836027e0
parent 97a9c2c8284dc377db08431b46ec115f28cabf41
author Junxiao Shi <git@mail1.yoursunny.com> 1405660714 -0700
committer Alexander Afanasyev <alexander.afanasyev@ucla.edu> 1405893506 -0700

face: reserved FaceIds and NullFace

refs #1620, #1622

Change-Id: I315ae262c7e0813a64b69d3e7d67de61b7b88c55