Update readme for site interface

Include wording on the pageData if the page is JSON based.
Update comments

Fix a couple comment mistakes in the tests, and in test descriptions.
Increase timeout in long running e2e tests

Set the timeout to 10 seconds, since these tests can take a while to
complete (end to end tests).
Add sony entertainment network store

Add the ability to find the price, category, and name of an item on the
sony entertainment network store.  Include unit and end to end tests.
Update readme

Include Sony Entertainment Network Store in the sites and quick
examples.