rename cmake-modules directory
split soem folder into separate src and include folder
move soem.dox to general doc folder
move youbot uml models to general doc folder
move display folder to subfolder src
rename "testing" folder to "test" and move to to subfolder "src"
split source and header files of folders "base-kinematic", "examples", "generic" and "youbot" into global "src" and "include" folders
adapt path of include directories in manifest