Merge pull request #1 from nilsbore/master

New package, for now just for running octomap with the nav stack. Looks good
Update README.md
Update README.md
updated launch file to remap to correct topic
Initial commit of a ptu sweep node
bug fix and using PTU actionserver
Added Republishing of Point Cloud when Arriving at PTU Postition
Works now as intended.
Added a transform node to transform PointCloud2 msgs
Added a wait for transform.
Trying to add a tf::message_filter to prevent data loss if no transform is available.
Removed unnecessary prints
Changed name to follow naming conventions
Fixed bugs produced by changing names
Added Launch File
Update README.md
Last version of the PTU sweep script the sweep is done horizontally and the ptu doesn't go back to the begining of each scanning angle
Merge pull request #4 from Jailander/master

Adding Scitos PTU Sweep node
modification suggested to resolve https://github.com/strands-project/strands_ci/issues/8
Local metric map nodes: cloud_merge - processing depth & rgb frames / point clouds and merging them into room observations; cloud_register - utilities for ICP and NDT point cloud registration; semantic_map - creating and managing the local metric map, updating the map with new room observations, extracting dynamic clusters, maintaining the XML structure on the disk.