i2c1 bug and bus scan fixed
navigator: fixed infinite RTL->LOITER->RTL... loop on failsafe
navigator: avoid climbing up for LOITER after RTL
Merge pull request #630 from jean-m-cyr/beta

Optimize and update data manager docs
Updated MAVLink version, no functional changes
Merge branch 'master' into beta
startup rewrite
startup: make sdlog2 working again on FMUv1
position_estimator_inav: lower RAM
Fix for hexa mixer
Fixed up nullptr handling
Fixed code style
Merge branch 'master' of github.com:PX4/Firmware into paul_estimator
Revert "position_estimator_inav: lower RAM"

This reverts commit b457e714972649f5a39fa3f2f9463bdfe6971fcc.
Merge pull request #633 from PX4/fmuv1_ram_cleanup

Fmuv1 ram cleanup
Merge pull request #638 from PX4/mk_interface

Mk interface
Moved to using references for arrays
Updated uploader from Bootloader repo
Updated uploader from Bootloader repo
Merge branch 'master' of github.com:PX4/Firmware