note meta is normalized name
Allows SystemJS to load within Web Workers

This adds support for web workers building on the work done in ES6
Module Loader. Mostly just window checks, did have to do a plain old
eval in this case. Fixes #165
Fixed node tests with new WebWorker support

Previous changes to make SystemJS support WebWorkers mistakenly broke
Node, this fixes it.
Merge branch 'worker' of github.com:matthewp/systemjs
fix system.register bug
dont alter commonjs source for traces
0.8.2
Correct to traceur 0.0.58 in readme
Merging in SystemJS 0.8.2