TauLabs/TauLabs — pull request #950 by peabody124 (2013-09-11 12:12:34+00:00)
Title: Expo ratemodes

This applies rate mode exponential to the other modes that have similar stick
gains to rate mode:
- axis lock
- weak leveling
- relay rate

They should all be tested (which is why this is pushed to an upstream branch), especially relay rate.