PX4/Firmware — pull request #1380 by vooon (2014-10-08 13:29:46+00:00)
Title: Mavros timesync (based on #1278)

This PR have changes from #1278 with my fixes.

Mavros side works, but actually changes of offset now used now (but dt in limit).

Also this PR can be merged without conflicts, but i loose @mhkabir's authorship.