fix off by one in missionlib
Merge pull request #533 from thomasgubler/missionlib_fix

fix off by one in missionlib
Merge branch 'master' of git://github.com/PX4/Firmware into roboclaw
Added port 1 to sdlog2 messages.
Increased number of file descriptors from 32 to 48 for uORB.
Added command line warnings for uORB errors.
Added support for actuator 1-3 uORB messages to groundstation.
Changed roboclaw/segway to actuator port 1.