FW-152. Updating Doxyfile to version 1.8.5. Fixing included directories.
FW-152. Re-organizing documentation.
FW-152. Moving mainpage.
FW-152. Renaming mainpage.
FW-152. Reorganizing documentation BSP modules.
FW-152. Reorganizing applications' documentation.
FW-152. Renaming applications documentation module.
FW-152. Fixing opentimers documentation.
FW-152. Fixing forwarding documentation.
FW-152. Fixing all remaining Doxygen warnings
FW-152. Fixing the use of [in], [out], [in,out] decorators.