Merge pull request #67 from nilsbore/hydro-devel

Add library for extracting primitives from pointclouds and a ros wrapper for it
Create README.md
Update README.md
Create README.md
Update README.md
fixed problem with map_frame parameter
Merge pull request #68 from kunzel/hydro-devel

fixed problem with map_frame parameter
Merge pull request #70 from nilsbore/hydro-devel

Now it at least gives something when combined with Rares' new code even if it takes ~3 minutes.
Merge pull request #71 from nilsbore/hydro-devel

This is working very well on my machine and doesn't really introduce any big changes.
adding laser_door_check
Merge pull request #72 from Jailander/hydro-devel

adding laser_door_check
bug fix
Merge pull request #73 from Jailander/hydro-devel

bug fix
Added calibration tool for driveable floor detection from Project Hobbit FP7
Merge branch 'hydro-devel' of https://github.com/strands-project/strands_utils into hydro-devel
Added packages for driveable floor detection from project Hobbit FP7
Merge pull request #75 from nilsbore/hydro-devel

Merging since these are minor but important changes.
Accidentally removed the floor, fixed