Release 0.22.0

• scripts: Use non global mavros-ns allow to work __ns parameter
• scripts: Update script to support cycle_time on cmd trigger_control
• plugin: Fix setpoint_position code style
• plugin: Update setpoint_position plugin to allow sending setpoints which origin is on the global frame
• docs: Move CONTRIBUTING.md to root
• tools: Add cogall.sh
• setpoint plugins: allow to choose between local and body frame
• scripts: install_geographiclib_datasets.sh: Improve output of script, replace which with more reliable hash
• scripts: install_geographiclib_datasets.sh: Ensure dataset files exist, not just directories
• scripts: install_geographiclib_datasets.sh: Fix interpreter
• scripts: install_geographiclib_datasets.sh: Update script to work with zsh
• docs: add Troubleshooting section to MAVROS
• plugin: global_position: GPS fix's frame_id changed to body-fixed
• plugin: global_position: Local angular twist changed from NANs to zeroes to be able to show in RViz.
• docs: source install: add note on fetching all the deps
• ENU<->ECEF transforms fix
• plugin: waypoint: Add MISSION_ITEM_REACHED publisher
• plugin: setpoint_attitude: fix message_filters callbacks sync
• plugin: odom: general fixes and code tightening; Use tf2 instead of static transforms
• mavsys: mode: add solutions for setting AUTO.MISSION and AUTO.LOITER modes
• lib: frame_tf: Add to_eigen() helper