Merge branch 'master' of https://i61wiki.itec.uka.de/git/robot-api

* 'master' of https://i61wiki.itec.uka.de/git/robot-api:
  clean up
  added operator= for Pose and Vector3 and improved performance for Pose::toEigen
  Platform Unit Gui sends now only velocities directly instead of calculating new positions from velocity
  Added OffsetFilter: ForceTorqueObserver now supports nulling the forces in an individual datafield
  PlatformUnitGuiPlugin: platform now stop moving when nibble is released. 	movement ctrl now has 5 instead of 2 levels