improving catkin-native, but it remains unclear what the difference between BBCLASSEXTEND += native and inherit native is and which one we should use.

adjusting the README; a first try for cross-compiling the cpp-common things; extending the install-fuerte script

we patch catkin as catkin assumes that every linux is an ubuntu system but the openembedded linux system is not

catkin recipe missed to add the python modules to the packages (NB: QA still mentions so files not shipped)

improving catkin recipe so that it does run through (it compiles and installs now, but I am not sure if the installation is correct)