Replace yocs_cmd_vel_mux with twist_mux, launch and yaml files

See merge request !7

Removed node names as arguments to the launch file.

See merge request !6

Added configuration fiels for the voxel, passthrough, outlier removal and radius outlier removal PCL filters.

Removed intermediate pointcloud topics as arguments to the launch files.
Removed the hardcoded configuration of the voxel, passthrough, outlier removal and radius outlier removal. Using external configuration files now.
Added the camera/lidar name to the launch file to generate the namespaces.
Added the output topic of the IRI launch files.

Revert "Solved a bug: the map topic remapping was invalid."

See merge request !5

This reverts commit baa49b9b

Added new arguments to set the name of the move_base stack.

See merge request !4

Added the necessary remaps.

Changed the name of the pointcloud hole detector node (removed nav).

See merge request !3

Added the angle ranges file to the iri_lidar_obstacle_detection.

See merge request !2

Melodic migration

See merge request !1

# Conflicts:
#   launch/include/map_server.launch
#   launch/nav.launch

  * move base params file name
  * common costmap params file name
  * local costmap params file name
  * global costmap params file name