fatal: Could not parse object '6544d694a0b18c00f28304e491f7eeb483561ef5'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 6544d69 Forgot to remove a couple of applications from CMakeLists, that I'm not ready to commit yet. Oops.
6544d694a0b18c00f28304e491f7eeb483561ef5