Fixing formatting in python documentation

Merge remote-tracking branch 'origin/master' into development

Merge branch 'master' into rosdebian

Bump version

Increment librealsense version to 1.12.1

Bump the ROS version

removing confusing instructions regarding the camera firmware from re…

…adme.md. Will be published in official release notes

Merge remote-tracking branch 'origin/ds41t' into ds41t

Merge branch 'master' into rosdebian

Merge branch 'master' into rosdebian

last stable release