Update README.md

This is not a polyfill, so I removed it from the README title.
browser testing using yeti and saucelabs
Merge pull request #44 from drewfish/client-tests

browser testing using yeti and saucelabs
added sauce access tokens
debugging
another approach to the sauce credetials
better syntax
another attempt
not sure how this is supposed to work
another attempt
once more into the breach
more debugging
removed debugging
fixed node version
Merge pull request #45 from drewfish/travis-sauce

added sauce access tokens
Pass `Intl` into the module factory
Add basic benchmark tests
Merge pull request #48 from ericf/master

Pass `Intl` into the module factory
Merge pull request #46 from ericf/benchmark

Add basic benchmark tests