fatal: Could not parse object 'f44633b9146fa05f67c55f62cc823b3815ce557d'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at f44633b Solves ground NULL pointer issue, demonstrated in AppNestedBoxTetrahedrons in dev/btietz
f44633b9146fa05f67c55f62cc823b3815ce557d