USB spec confromance

[tmk]

NOTE: These are not issues devired from LUFA or PJRC code, just problems of tmk_keyboard.

lufa stack

• HID_GET_REPORT must be supported on all interface. (HID_1.11 Appendix G)
  boot keyboard interface is only supported now. Other interface does not work on host which not support interrupt transaction.

prjc stack

Will NOT updated from this time. Use lufa stack from now on.