PX4/Firmware — pull request #449 by DrTon (2013-10-08 11:41:49+00:00)
Title: sensors: minor optimization, cleanup and refactoring

- "ppm" refactored to "rc"
- use orb_check instead of non-blocking poll in rc_poll (ppm_poll)
- removed some unused "define" and "inclide"
- code style fixed

Saves 1% of CPU time.