Repo clean up
chest and head working
Alternative using quaternions
Human model now with right upper and lower arm.
Added nao to the controllable robots
Fixed the get_joint_states.py node. Now it uses quaternions and solver all the joint orientations (chest, neck and 2 arms)
Updated README to include the installation instructions
Merge pull request #1 from fsuarez6/master

Added python node that handles all the imu sensors