Merge pull request #11 from ahcorde/master

mavlogdump update and fix summary
Merge pull request #12 from ahcorde/master

barometer-pitch_and_roll_linkage (ES and EN)
Merge pull request #13 from ahcorde/master

LAND mode
Merge pull request #14 from ahcorde/master

Fixes
Merge pull request #15 from ahcorde/master

add usage and options to launch the scripts
Merge pull request #16 from ahcorde/master

mavextract tool
Merge pull request #17 from ahcorde/master

mavflightview tool
Merge pull request #18 from ahcorde/master

MAV to mfile tool