eigen-conversions: initial commit
geometry-experimental: additional recipes
packagegroup-ros-world: adding new recipes
README.md: acknowledge Kristof's contributions
Merge pull request #193 from bulwahn/master

some recipes and acknowledgement
pcl-conversions: initial commit
pcl-ros: initial commit
depth-image-proc: initial commit
rgbd-launch: initial commit
freenect-launch: initial commit
freenect-camera: moved S variable to freenect-stack.inc