hector_quadrotor_gazebo: added launch file argument to enable/disable pose estimation
hector_quadrotor_model: always use newest available motor command in propulsion plugin
hector_uav_msgs: added CLIMBRATE and TURNRATE constants to ControllerState message
hector_quadrotor_gazebo_plugins: added separate update timer for MotorStatus output in propulsion plugin
hector_quadrotor_gazebo: removed all RTT related plugins