fix failing tests

... by just changing the numbers.
Fix kdtree example
get sensor origin and orientation from PointCloud
Merge pull request #54 from larsmans/fix-tests

Fix failing tests
Merge pull request #55 from larsmans/fix-kdtree

Fix kdtree example
Merge pull request #56 from larsmans/sensor-info

get sensor origin and orientation from PointCloud
BUG: Eigen uses column-major storage!