[STABILIZATION]: 1) Enhanced coordinated flight to include a yaw damper when
flying straight.
2) Added separate field for coordinated flight control gains.
[Coordinated Flight]: Removed bound from coordinated flight. Now the
vehicle will attempt to return to its original heading even in strong
winds.
[Coordinated flight]: Changes requested in review

1) Got rid of magic numbers.
2) Nested if statement.
Merge pull request #876 from kubark42/upgraded-coordinated-flight

Upgrade coordinated flight