deleting obsolete AtlasCOM frame, adding alternatives
adding running traj data from Andres
generalizing QP controller to handle slightly more general LQR solutions
removing Q (never used in ctg)
adding ignore_effort_limits option to RBM
fix to handle inf bounds with gurobi
add atlas running example
pushed linear sys generalization into mex, tested running/balancing successfully
replace strcmpi with ismember to get rid of order dependence in group name cell arrays
add contact_groups argument to getTerrainContactPoints
update cost function comment
support contact groups in RigidBodySupportState
minor
update footstep planner for new RigidBodySupportState class
minor parameter changes in running example
renamed atlas running example
Merge pull request #243 from kuindersma/stabilize-atlas-running

Stabilize Atlas running