do not load robot description in demo.launch

however update planning_context.launch to reference the hubo
model with kinect
in huboplus.srdf, define end effectors for left hand and legs

- add fake controllers
- add ompl plannners setup
change rviz configuration

- use Orbit view mode instead of XYOrbit
- do not show SceneRobot/RobotVisual
mark kinect as "never colliding" with fingers and left upper leg
add prosilica sensor to the moveit configuration
change rviz config file