Merge pull request #2513 from 130s/master

Add usb_cam to doc.yaml in hydro
husky_simulator: 0.0.3-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2514 from y22ma/bloom-husky_simulator-0

husky_simulator: 0.0.3-0 in 'hydro/release.yaml' [bloom]
Add interactive_marker_twist_server to CI and docs.
Add definition for socat network utility.
Merge pull request #2515 from mikepurvis/patch-2

Add definition for socat network utility.
rtmros_nextage: 0.2.2-0 in 'groovy/release.yaml' [bloom]
Merge pull request #2516 from 130s/bloom-rtmros_nextage-0

rtmros_nextage: 0.2.2-0 in 'groovy/release.yaml' [bloom]
Add fanuc_experimental meta-package to hydro docs.
Merge pull request #2517 from gavanderhoorn/master

Add fanuc_experimental meta-package to hydro docs.
laser_geometry: 1.5.14-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2518 from hershwg/bloom-laser_geometry-0

laser_geometry: 1.5.14-0 in 'hydro/release.yaml' [bloom]
rtmros_nextage: 0.2.3-0 in 'groovy/release.yaml' [bloom]
Merge pull request #2519 from 130s/bloom-rtmros_nextage-1

rtmros_nextage: 0.2.3-0 in 'groovy/release.yaml' [bloom]
Add yocs_msgs repository (splited from yujin_ocs)
Merge pull request #2520 from corot/patch-14

Add yocs_msgs repository (splited from yujin_ocs)
velodyne: 1.1.2-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2523 from jack-oquin/bloom-velodyne-0

velodyne: 1.1.2-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2521 from mikepurvis/master

Add interactive_marker_twist_server to CI and docs.
We move yocs_msgs to its own stack