Add ADB extended keyboard support by blargg@GH.

This offers distinction between left/right modifiers.

Merge branch 'm0110'

Fix keymaps in README.(M0110)

Fix keymap and build option.(M0110)

Add keymap file for Hasu.

Change keymap.(M0110)

Change IS_COMMAND.(M0110)

Fix debug pirnt and magic key.(M0110)

Merge branch 'hid_liber'

Fix debouncing and ISO layout from 4LI4Z and alaricljs.(hid_liber)

Fix pin configuration error(macway). issue #17

Add bitpop16() in util.c.

Merge branch 'phantom'

Fix target name and product id of pahntom.

Fixes from Tranquilite@GH.

- Fix keyboard_task() when matrix column size > 16
- Add clear_keyboard() in NKRO command to avoid stucking keys.
- Fix function name in print.c.

Add initial files for Phantom from Tranquilite@GH.

Fix Sony NEWS pinouts in comment

Fix Sony NEWS connector pinout and keymap.

Merge branch 'hid_liber'

Fix and keymap of hid_liber from alaricljs at geekhack.org.