Merge the latest version of Speedometer 2.0 to browserbench.org against at r221056.

Merge the latest version of Speedometer 2.0 to browserbench.org against at r221056.

Rubber-stamped by Joseph Pecoraro.

* Speedometer2.0: Replaced with PerformanceTests/Speedometer.
* Speedometer2.0/resources/main.js:
(window.benchmarkClient.didFinishLastIteration):
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/bundle.app.9debb1b0a94f14d0ebe9.js: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/bundle.app.9debb1b0a94f14d0ebe9.js.map: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/bundle.manifest.a55034b424c795b1a9a8.js: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/bundle.manifest.a55034b424c795b1a9a8.js.map: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/bundle.vendor.bade2cb8992d8a68d0d7.js: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/bundle.vendor.bade2cb8992d8a68d0d7.js.map: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/styles.app.9debb1b0a94f14d0ebe9.css: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/styles.app.9debb1b0a94f14d0ebe9.css.map: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/styles.vendor.bade2cb8992d8a68d0d7.css: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/dist/styles.vendor.bade2cb8992d8a68d0d7.css.map: Removed.
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015-babel-webpack/src/store.js:
* Speedometer2.0/resources/todomvc/vanilla-examples/es2015/src/store.js:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@221057 268f45cc-cd09-0410-ab3c-d52691b4dbfc