mc_pos_control: trajectory following, using previous and next waypoints
mc_pos_control: navigation fixes, smooth position setpoint movements
Merge commit '2780dc39ce5d47f2d9dfa921062100a1dc86c2be' into mpc_track
mc_pos_control: reset position setpoint on entering to AUTO mode
mc_pos_control: move position offset limiting to separate method
Merge branch 'master' into mpc_track
mc_pos_control: commented code block removed
Merge branch 'master' into mpc_track
mc_pos_control: AUTO speed limiting bug fixed
Merge pull request #1286 from PX4/mpc_track

mc_pos_control: path following and smooth transitions on waypoints in AUTO