Change site title to include "Common Lisp Wiki"

[bburns]

It might be nice to change the site title from "CLiki: index" to something like "CLiki: a Common Lisp Wiki".

It would move it up in Google searches and be easier to notice - currently if you search "lisp wiki" in Google it's the 5th result, and I initially skipped over it, not realizing what CLiki was.

CLiki: index www.cliki.net/‎ Welcome to CLiki. CLiki is a Common Lisp wiki. It contains resources for learning about and using the programming language Common Lisp, and information ...

[vsedach]

The page title is based on the name of the article. Since index is hard-coded for "/" anyway, I think I can pull in the title for that from the wiki object description.