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 branch 'hydro-devel' of https://github.com/awesomebytes/reem_robot into hydro-devel