scripts: mavsetp: added local accel; corrected how the OFFBOARD mode is swtch.
scripts: mavsetp: corrected msg API; mavteleop: added prefix to rc override
scripts: mavsetp: corrected API; added possibility of parse angles in dg or rad
Merge pull request #141 from TSC21/mavsetp

scripts: mavsetp: added local accel; corrected how the OFFBOARD mode is switched