Directly connected LED Matrix support.

This adds support for LEDs that are directly connected to the MCU, either in a matrix or to single pins.

lib/python/qmk/errors.py

@@ -1,6 +1,5 @@
 class NoSuchKeyboardError(Exception):
     """Raised when we can't find a keyboard/keymap directory.
     """
-
     def __init__(self, message):
         self.message = message