Added CCPM mixer
changed control index for speed controller output from 5 to 4
enable usb console
change default rc channel mapping
Revert "change default rc channel mapping"

This reverts commit fa403956ed6ef1a345ee06c25500c937a78dd7cd.
Revert "enable usb console" - shouldn't be in pull request branch.

This reverts commit fdb897c3dd5561a1d9f22b35ec049e50d526d08b.
Merge pull request #275 from duncang/ccpm

Prototype CCPM mixer for helicopter