On branch master
	new file:   contact_modeling/all_stiffness.png
	new file:   contact_modeling/collect_data_for_model_estimation.py
	new file:   contact_modeling/est_params.png
	new file:   contact_modeling/estimate_model.py
	new file:   contact_modeling/f_x_xdot.png
	new file:   contact_modeling/find_model_params_offline.py
	new file:   contact_modeling/find_model_params_online.py
	new file:   contact_modeling/furniture_stiffness.png
	new file:   contact_modeling/human_stiffness.png
	new file:   contact_modeling/online_taxel_based_model_estimation.py
	new file:   contact_modeling/simulate_forces.py