Merge pull request #2750 from vrabaud/master

update slam_gmapping doc
rocon_msgs: 0.6.5-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2751 from stonier/bloom-rocon_msgs-1

rocon_msgs: 0.6.5-0 in 'hydro/release.yaml' [bloom]
gscam: 0.1.3-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2752 from jbohren/bloom-gscam-0

gscam: 0.1.3-0 in 'hydro/release.yaml' [bloom]
libuvc_ros: 0.0.6-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2753 from ktossell/bloom-libuvc_ros-5

libuvc_ros: 0.0.6-0 in 'hydro/release.yaml' [bloom]
Added steered_wheel_base_controller to the documentation index.
Merge pull request #2754 from wunderkammer-laboratory/master

Added steered_wheel_base_controller to the documentation index.
laser_geometry 1.5.15