Add redirections of century URLs (waiting for actual URLs to use)
Merge branch 'master' into century-redirects
Add first known usable century index page url, and a new test.
Redirect century decade stories, and add tests for same.
Make century redirect tests consistent
Merge branch 'master' into century-redirects
Add dependency on play-previewauth 0.1.56-SNAPSHOT which includes filter
Add OAuthLoginController for preview
Add login endpoints to preview
Add public assets for login on preview
Add AuthFilterWithExemptions into preview filters
Add OAuth credentials for preview
Add preview oauth clientid and callback url
Update OAuthLoginController to use config credentials
Add admin_main.scala.html
Rename admin_main to preview_auth
Use new name
Update GuardianConfigurationTest hash
FakeApp and EditionalisedHtmlUnit must specify a port

Use port 9002 for common tests
Article tests use port 9001