Introducing self-updater

Now including:

• Self-Updater!! (from CompactFlash card)
• RA6963 driver (both text and graphics mode, incl. custom fonts)
• AT28C526 write driver (page/byte writes, proper end of cycle monitoring)
• CompactFlash (IDE) driver (read/write sectors, LBA)
• Keyboard driver
• Command line arguments parsing (by ' ' sep)
• Text viewer (with scroll down and up!!)
• JS emulator for testing in browser
• Now commands:
  • update - do a whole firmware update from CF card
  • uname - basic Unix uname with the full subset of args
  • less - simple basic Unix less, but now with only one test builtin file
  • test_app - for test cmd line args parsing (argc, argv)
  • cf_info - prints an identity CompactFlash info