All preprocessor directives without arguments (e.g. #endif) are now followed by a comment, indicating where it belongs to (e.g. the preceding #if).
Added DW1000 demo app on top of NUCLEO_F103RB example
Enhanced and fixed several module specific files.
Changed all header guards so they will not use unserscores as pre- and postfix.
Introduced support the STM32F103 NUCLEO module.