* Update to xealousbrown.
5-13ms Latency decrease, 4x scan rate improvement.
(CUSTOM_MATRIX = lite) is a really great feature!
* Updated Readme.md, added an extra speedhack.
* More optimizations
* Update keyboards/handwired/xealousbrown/rules.mk
* Update keyboards/handwired/xealousbrown/rules.mk
