move configurations to future submodules
remove directories that are future submodules
add submodules for removed directories
add needed source file for can submodule configuration
add cmake-avr toolchain as submodule for future cmake build environment
add forgotten submodule util
update matrixbar submodule to correct build errors
update can configuration

- add getter and valid configuration
add cmake control files to source tree
update references, configuration and paths for doxygen