Switching back to 23 states, fixed mag update logic
navigator: don't reset descend WP in RTL
Merge branch 'navigator_rewrite' into navigator_rewrite_estimator
Merge remote-tracking branch 'px4/mtecs_estimator' into navigator_rewrite_estimator
Close fds when not needed

File descriptors get closed when not needed by offboard mode
to allow position and attitude controllers to advertise and publish.
Merge branch 'master' into mavlink-ftp
Fill error report
Undo hacking
fix extraction of path info from FTP request
Don't queue empty work items.
fix initialization of perfcounters in fw att controllers
U-blox driver rework, step 3

More sat info isolation
Flush input after changing baudrate to allow driver restart w/o GNSS
module restart
Merge pull request #1047 from PX4/fwattfixperfc

fix initialization of perfcounters in fw att controllers
Merged ubx driver part of pull request #1031
Initialize rate values

Initialize rate values (else invalid rates wil be displayed during the
first measurement interval).
Gps driver: make enable_sat_info a command line option
Support link forwarding
Added include order warning
MAVLink helper function fixes
Formatting and some ftp drive-by