Remove the old binary transmit functions
Fix the mavlink lib's warning
Calculate the buffer length int the function "send_package"
Create the mechanism to handle the received mavlink command
Create the mission module
Remove the handler of the ground_station_send_task
Try to implement the waypoint clear action
Create the flight mission handler functions
Rename function "clean_waypoint" to "clear_waypoint"
Create the waypoint_t structure
Rename the waypoint related functions by add the "mission_" suffix
Create the waypoint structure operating function prototype
Fix some type declaring issue and add the function create_waypoint_node
Fix the type declaration of the "waypoint_t" again
Implement the push_waypoint_node function
Implement the free_waypoint_list function
Merge branch 'mavlink' into mavlink_udp_simulator
Support clear all waypoint ACK