Merge Speedometer 2.0 fixes up to r217121 to browserbench.org

Merge Speedometer 2.0 fixes up to r217121 to browserbench.org
https://bugs.webkit.org/show_bug.cgi?id=172389

Rubber-stamped by Chris Dumez.

Merged the various fixes for Speedometer 2.0 starting from r217107 through r217121.

* Speedometer2.0/InteractiveRunner.html:
* Speedometer2.0/resources/benchmark-runner.js:
* Speedometer2.0/resources/tests.js:
* Speedometer2.0/resources/todomvc/dependency-examples/flight/flight/app/js/main.js:
* Speedometer2.0/resources/todomvc/dependency-examples/flight/flight/node_modules/requirejs/require.js:
* Speedometer2.0/resources/todomvc/functional-prog-examples/elm/dist/elm.js:
* Speedometer2.0/resources/todomvc/vanilla-examples/vanillajs/js/store.js:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@217154 268f45cc-cd09-0410-ab3c-d52691b4dbfc