multi_step_cov_estimator: added 'default_initial_pose' param for first optimization step
multi_step_cov_est: no import multiply
multi_step_cov_est: default_initial_pose -> default_floating_initial_pose
multi_step_cov_est: check size of default_initial_pose
Update multi_step_cov_estimator.py
Merge pull request #9 from ros-perception/default_initial_pose

multi_step_cov_estimator: added 'default_initial_pose' parameter
Yay, merged! Sorry for all the trouble.