v2.0: HHKB/Macway support merged

new build method for macway

ADD: keymap macro for human to read easier
ADD: controller.h for controller board definition(teensy)
ADD: debug toggle

FIX: include files

FIX: doc and keymap.

switch debug on/off by pressing 4 keys on booting time

add keymap layer: Matias half keyboard style(SPACE) [NOT USED]

hhkb: refactored

FIX: clear keyboard_keys.
NOT change layer when one more Fn keys pressed/other than Fn key pressed

add directories for each keyboard: hhkb, macway

add horizontal mouse wheel

';' for Fn key: send ';' when key realease without using the layer

change keymap.

make input ports(PE6,7) *with pullup*.

add HHKB docs and pics.

change keymap for mouse keys.

HHKB support.

change matrix pinouts.

add layer diagrams.

change pins of matrix rows. (teensy is installed inside of keyboard case.)