* pagestats: Class parameter can be used to override default class for
custom styling.
* pagestats: Use style=list to get a list of tags, scaled by use like
in a tag cloud. This is useful to put in a sidebar.
* Rework example blog front page.
* Add examples page with some examples of things that can be done using
ikiwiki, like a weblog. The examples can be copied into a user's wiki
for a quick start, without needing to learn everything about how to put
them together.