Touching up the test page, index page, favicon, etc.
Extracting test page method, pointing at relative favicon

so that nginx namespacing works, for example.
Omitting the debug test page when debug is not set
Changing README generation to include version

which (maybe?) will also help with building tags without having to
restart build jobs.
Merge pull request #50 from modcloth-labs/test-page-touchup-and-such

Test page touchup and such