Hacking Extended Live Archives plugin to support multisite installations

Since I´m running a couple blogs on one wordpress installation I noticed today, that ELA doesn't work well in this environment. Since it uses only one cache directory the archive is mixed up with all these articles.

I was digging around and noticed, that only 3 values in 3 files are related. So decided to make use of $_SERVER["SERVER_NAME"] to have unique cache directories.

Here comes the patch: