Updated mavlink version
Updated MAVLink version
Updated MAVLink to latest revision
Add default initializers and timestamp in local position
Merge pull request #1262 from PX4/mavlink_update

Mavlink update
More FTP support

Added:
- sequence numbers
- directory list returns file sizes
- open command returns file size in data
Updated mavlink version
Merge pull request #1265 from PX4/FTP

More FTP support
Merge branch 'master' into bennodiscovery