fatal: Could not parse object '5b69d8c062ffa393b39e5bb6d79bbbffcf8c9205'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 5b69d8c Updated README to include a link to the UC Berkeley team's NTRT Introduction Seminar on 2016-09-28.
5b69d8c062ffa393b39e5bb6d79bbbffcf8c9205