Modified the LUFA USB HID Descriptor to change the logical/usage
minimums for System Control from 0x01 (Mouse) to 0x81 (System Power
Down), this fixes OS X recognizing the Planck as having a mouse and
tablet, even with mousekeys off.

- Logical Min/Max contains signed value and needs 16 bit to indicate 255
https://github.com/jackhumbert/qmk_firmware/issues/312

With matrix_power_down() in suspend event HHKB JP doesn't start up for some reason.
It is unneeded in actual and removed.

Old console sent unneeded empty data every one milli sencond.
After this fix console flushes endpoint data bank every 50ms only when needed.