Fix broken tests on Windows
Add script to compile modules to NodeJS modules

This compiles a file as if it was a Module to a NodeJS module.

Review URL: https://github.com/google/traceur-compiler/pull/538

Closes #538.
Fix issue in tests where variable had wrong name

These tests worked because the variable o was defined in previous
tests.

Fixes #546
Create System.LoaderHooks and pass it to Loader()

Refactor module-loader: InternalCompiler -> System.LoaderHooks.
Lift loaderHooks out of CodeLoader ctor.

Review URL: https://github.com/google/traceur-compiler/pull/550

Closes #550.
Make requirejs and commonjs skip normalization
Remove non-standard `String.prototype.toArray`
Replace project->loaderHooks in ModuleVisitor

Another step to corner Project within runtime/System.js.
Note: ModuleAnalyzer is within System.LoaderHooks already, so its use of Project is fine.

Review URL: https://github.com/google/traceur-compiler/pull/551

Closes #551.
Improve `String.prototype.startsWith` polyfill

This patch replaces the old `String.prototype.startsWith` polyfill with http://mths.be/startswith, while also adding the tests from that project.

Review URL: https://github.com/google/traceur-compiler/pull/554

Closes #554.
Improve `String.prototype.endsWith` polyfill

This patch replaces the old `String.prototype.endsWith` polyfill with http://mths.be/endswith, while also adding the tests from that project.
Improve `String.prototype.contains` polyfill

This patch replaces the old `String.prototype.contains` polyfill with http://mths.be/contains, while also adding the tests from that project.
Move String polyfills to its own file
Merge remote-tracking branch 'upstream/master' into annotations

* upstream/master:
  Move String polyfills to its own file
  Improve `String.prototype.contains` polyfill
  Improve `String.prototype.endsWith` polyfill
  Improve `String.prototype.startsWith` polyfill
  Replace project->loaderHooks in ModuleVisitor
  Remove non-standard `String.prototype.toArray`
  Make requirejs and commonjs skip normalization
  Create System.LoaderHooks and pass it to Loader()
  Fix issue in tests where variable had wrong name
  Add script to compile modules to NodeJS modules
  Fix broken tests on Windows

Conflicts:
	bin/traceur.js
Recompiled with annotations