Add trailing slash to CDN-to-WWW redirection
Add trailing slash to CDN-to-WWW redirection

Maybe that will help Java recognize that it's a different host... but
we'll see.

access-cdn.log:77.169.203.189 - - [01/Aug/2011:06:26:00 +0000] "GET / HTTP/1.1" 302 535 "-" "Java/1.6.0_26"
access-cdn.log:77.169.203.189 - - [01/Aug/2011:06:26:00 +0000] "GET /https://www.libravatar.org HTTP/1.1" 404 448 "-" "Java/1.6.0_26"
error-cdn.log:[Mon Aug 01 06:26:00 2011] [error] [client 77.169.203.189] File does not exist: /usr/share/libravatar/static/cdn/https:

libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar