divided nao stack into nao_common and nao_robot
more refactoring of nao stack
new package nao_teleop for teleoperation (moved from nao_remote)
nao_teleop: Adapted launch files to new package structure
rename of nao_ctrl import (=> nao_driver)
rename of nao_ctrl import (=> nao_driver)
rename of nao_ctrl in launch file (=> nao_driver)
fixes in nao_common teleop and pose_manager: check if action servers available, timeout
nao_description: add (empty) visualization macros for elbow_yaw and fingers
nao_sensors update

added camOdom in nao_sensors
added output="screen" in nao_driver.launch
added test script for TF transforms
added cpp implementation
NAO srdf
adjusted teleop_nao_sim launchfile with new parameter for correct joint angles
nao_description: added v4 robot structure, separate launch files for state_publishers
fixed nao_remote for ROS fuerte
added mimic tag to RHipYawPitch
pose_manager fuerte fix
nao_common and nao_robot now compatible to REP-120
Improved compatibility of nao_controller / pose_manager with both H25 and H21 Naos.
New script execute_pose in nao_remote to test.
execute_pose: missing / wrong header
downsample_camera.py added

also added output=screen for remap_odometry in nao_remote.launch