tree deb393fb4e87c1d55a61b96a65b5851260a92be7
parent 61c5ef38307ba26b2ae25599f484a9455553739e
author Junxiao Shi <git@mail1.yoursunny.com> 1390699322 -0700
committer Junxiao Shi <git@mail1.yoursunny.com> 1390707613 -0700

abstract Face class

refs #1153

Change-Id: I0b0dd71300d9b2d747a48c72fa8850c9afb75448