diydrones/ardupilot — pull request #1359 by jason4short (2014-09-02 22:56:22+00:00)
Title: Ap mount speedup

Simple update to make APM2.6 run faster with brushless gimbals. Removes an ATAN2 calc if no Yaw control is needed.
Don't pull in the AC_Heli patch. That was an accident.