General cleanup based on the pull request from muggenhor
Reformatting.
First steps to supporting GPS
More changes.
Merge remote-tracking branch 'upstream/master' into hott_v2
Add some GPS data to telemetry message.
GPS support - mostly working.
Merged new repository layout from PX4/Firmware
Completed main implementation and debugging
Fix whitespace
Formatting and comments
Removed some debugging code
Merge pull request #294 from sjwilks/hott_v2

Add GPS Support to the HoTT Telemetry driver