Fix layer switching and host API.
Add subset of Xorg MouseKey acceleration parameters.
Fix build option MOUSEKEY_ENABLE.
Add keycode.h and remove usb_keycodes.h.
Add consumer/system usage support.
Add repeating of Fn key with alt keycode.
changes function name keyboard_proc to keyboard_task
Initial version of new code for layer switch is added.
Fix MCU name macro in bootloader.c.
ADB conveter uses plain vanila keymap now.
Merge pull request #8 from JeffreySung/master
Apple IIgs(A9M0330)/Standard(M0116) keyboard
Fix PS/2 protocol build options
Power key support
debounce issue exists
Change keymap of ADB converter.
To prevent key stuck clear matrix array when ADB error occurs.