added protocol stack: pjrc, vusb

define sendcha() in usb_debug.c

PS/2 library receives data partially by interrupt

added initial support of mousekeys to ps2_vusb

added PS/2 to USB converter use V-USB as protocol stack

Merge branch 'master' of github.com:tmk/tmk_keyboard

added some short keycode names for ISO and JIS keyboard.

added note about external pull resistor on DATA line.

fixed mousekey delay to do double/triple click easily.

Exceptional handling for PS/2 scan code set 2

changed names which does not comply to C spec.(underscore prefix names)

rewrite code of layer switching

PS/2 to USB keyboard converter

added description of ADB socket pintouts.

changed wait time for volume control.

changed special mode key for macway: Left Shift + Right Shift

ADB keyboard LEDs support

added 'Keymap' section to adb/README.

change keycodes and define keymap macro for AEK.

ADD: keymap macro for Apple Extended Keyboard in adb/keymap.c
FIX: keycodes for Keypad, Fn and Mousekey.

ADB to USB keyboard converter

FIX: error handling in ps2.c