Correct geotiff_mapper launch package

hector_quadrotor_controller_gazebo: fix API compatibility for Gazebo version 8 and above

hector_quadrotor_interface: use shared_ptr typedefs for urdf types

hector_quadrotor_gazebo_plugins: switch dependency from specific Gazebo version to generic gazebo_dev

hector_quadrotor_controllers/hector_quadrotor_interface: shutdown subscribers explicitly

hector_quadrotor_controllers: removed unused config file limits.yaml, added absolute limit support and fixed asin overflow

hector_quadrotor_teleop: added sony_dualshock3.launch

Revert "hector_quadrotor_teleop: updated button assignments in logitech_gamepad.launch"

Fixed preemption of position controller if a non-zero velocity command is received on a topic

hector_quadrotor_controllers: fixed non-existent dependency CMake warning

hector_quadrotor_teleop: renamed internal member variables for consistency

hector_quadrotor_actions: fixed non-existent dependency CMake warning

hector_quadrotor_interface: fixed typo in log output

hector_quadrotor_teleop: updated button assignments in logitech_gamepad.launch

Fixed install rules and dependencies after merge of branch clearpathrobotics-asctec-merge-2