Change support matrix on README to static
Change support matrix on README to static

SauceLabs + Karma is not behaving in reliably.
The SauceLabs test task is still on the code in case it is
possible to make it run properly.

caiogondim/fast-memoize.js,caiogondim/fast-memoize,caiogondim/fast-memoize.js,caiogondim/fast-memoize.js