Begin Doxygenifying, standard I/O, coopgui and md5 done
Second wave of Doxygenifying, see details:

- Fix inclusion headers in coopgui classes/interfaces
- Add list of headers in modules for clarity
- Document missing C/C++ stdlib bits
- Document libfar, libitcm, multifeos, sndlock
- Polish feos3d documentation
- Begin writing descriptive documentation pages
Third wave of Doxygenifying, begin documenting the FeOS API
MAJOR BREAKING API CHANGES, see details (All code requires recompile)

- Most functions which had libnds aliases now directly use said names.
  The old FeOS_ prefixed names for these functions have been removed.
- FeOS_LoadARM7() and FeOS_FreeARM7() have been moved to FEOSARM7.
- FeOS_SuspendIRQ_t() and FeOS_RestoreIRQ_t() have been removed.
- FeOS_DebugPrint() has been removed.