uavcan: increased thread prio, reduces roundtrip latency by a factor of 5..7
mavlink: code style only fix
Merge pull request #1329 from hsteinhaus/uavcan_prio

uavcan: increased thread prio, reduces roundtrip latency by a factor of ...
Modified to use new FILE_TRANSFER_PROTOCOL message

- Also corrected system/component id transmit/check
Gave up on using bitfields
Merge pull request #1332 from PX4/FTP

Modified to use new FILE_TRANSFER_PROTOCOL message
Merge remote-tracking branch 'upstream/master'