Preferences: Have logging enabled always.
Preferences: Automatic format by eclipse
Preferences: Shuffling preference items around to close #809
Merge pull request #815 from arthurbenemann/issue809

Issue809
USB: Adding support for direct connections to the Pixhawk.
Merge pull request #816 from arthurbenemann/pixhawkUSBdirect

USB: Adding support for direct connections to the Pixhawk.