Updated the identification and simman gui look.
Added multi-master support and rqt prespective to caddy launch files.
Merge.
Merge.
Merge branch 'ldtravocean_trencher_v1', remote-tracking branch 'origin' into ldtravocean_branch_v2
Merge.
Corrected the bug in identification server. Added buoyancy publishing in ldtravocean extended estimator.
Updated to the altitude, depth and reference controllers.
Updated the launch files to work with the Alcatel trencher.