specified applying a manifest (closes #226)
When created, navigate to start url
When created, navigate to start url
Note: start URL is not always `start_url`'s value (closes #293)
Merge branch 'applying_manifest' of github.com:w3c/manifest into applying_manifest

* 'applying_manifest' of github.com:w3c/manifest:
  When created, navigate to start url

Conflicts:
	index.html
Merge pull request #289 from w3c/applying_manifest

specified applying a manifest (closes #226)