Added missing folder
Merge branch 'master' of github.com:PX4/Firmware
Added channel count to log format
Robustifiying PPM parsing
Greatly robustified PPM parsing, needs cross-checking with receiver models
Added PPM frame length feedback in IO comms and status command - allows to warn users about badly formatted PPM frames
Changed RSSI range to 0..255
Startup script for simple logging
Merge pull request #562 from julianoes/logger_startup

Startup script for simple logging
Paranoid PPM shape checking
Pure formatting cleanup of drv_hrt.c, no code / functionality changes
Hotfix: Reduce mag influence on att estimate
Hotfix: Better dead zone defaults
Merged master