added an image flip component to image_flip
modifications for robot usage
adding parameters to image_flip
added parameters, now provides pointcloud and image flip
added timing measurements to image_flip
further timing statistics
added nodelet
parametrized display output
link against boost::signals

this is required to compile under fuerte
search for bugs
Merge pull request #3 from mintar/master

Update CMakeLists.txt to be compatible with fuerte
point cloud is not flipped by default now