Doc updates for ember-testing/lib/helpers.js.
Doc updates for testing/lib/test.js.
Merge pull request #47 from bmac/documentation-audit-see-links

Replace "See `Class.method`" syntax with markdown links
Merge pull request #48 from bmac/documentation-audit-ember-metal/lib/binding

Remove the Binding.to and Binding.from docs strings that where shadowing...
Merge pull request #32 from rjackson/add_docs_to_testing_test

Doc updates for ember-testing/lib/test.js.
Merge pull request #15 from rjackson/add_docs_to_testing_helpers

Doc updates for ember-testing/lib/helpers.js.
Add example and return type for the render helper docs