flat design adjustments - catching up with Jens' a8f146aae8 and 7db1b323a8 …

https://github.com/jmoenig/morphic.js/commit/a8f146aae8f82f05ada2f0b49a3
583ee14f095c8 and
https://github.com/jmoenig/morphic.js/commit/7db1b323a8f8c1a9999b55d159e
718d029609531
rebuild and docs