reem_description: add mimic joint to the unactuated joints of the hand

This is to make moveit ignore them when generating trajectories
reem_description: make use of 'robot' parameter
Merge pull request #5 from po1/hand-mimic

reem_description: add mimic joint to the unactuated joints of the hand
Merge pull request #8 from po1/use-robot-param

reem_description: make use of 'robot' parameter
add stereo optical frame for both frontal cameras
Merge pull request #9 from jordi-pages/add-optical-frames

add stereo optical frame for both frontal cameras
explanation of the optical frame orientation
Merge pull request #10 from jordi-pages/explain-optical-frame

explanation of the optical frame orientation
Updating package from local PAL package

- Meshes were updated (bigger hands).
- Some preparation for point_head_action was added.
- Fix warnings (cfmDamping -> implicitSpringDamper) when
  launching model in Gazebo.
- Fix copyright 2014 notes.
- Fix hands mimic joint multiplier for underactuated joints for
  correct transmission.
- Updated footprint.
- base.urdf.xacro crated to simplify launching (I think).
- Added wave and bow motions as example play_motion motions.
Merge pull request #11 from awesomebytes/hydro-devel

Updating package from local PAL package