Bulk rename and reorganization of IU files

Reorganized trajectories and parameters for easier tracking
New batch experiments and faster execution
Fixed a few more bugs
Testing with temporary backrest with no improvement
Adding a temporary elbow bend clears the ladder but adds momentum
Added elbow bend modification to imported trajectories that mostly works
Very close tuning with 70-90 deg, but slipping is still a problem
Fixed matplotlib dependency:
minor script tweaks for readability, possible fix for setup script
Updated all python files to use openhubo module
reorganized python files in root dir
Reorganization and update of setup script
Merge branch 'feature/iuvalidate' into develop
added face counts to current Huboplus models
Reduce-poly models
Added maxon motor model in python to interpret openrave FT output
untested motor model class in python
Updated motor model to a class
Added example for motor model
Merge branch 'feature/motorproperties' into develop