add test for redirected links
use a test server instead of google for the redirect test
Merge pull request #986 from stuartf/issue986

Mark links that redirect to a new domain as non-embeddable
Formatted Shibboleth README so it displays better on GitHub
tell the travis bot not to join/part the irc channel
Merge pull request #1053 from stuartf/travisIrc

tell the travis bot not to join/part the irc channel