Log Message:
Import hyperestraier from pkgsrc-wip.  Packaged by OBATA Akio.

Hyper Estraier is a full-text search system.  You can search lots of
documents for some documents including specified words.  If you run a
web site, it is useful as your own search engine for pages in your
site.  Also, it is useful as search utilities of mail boxes and file
servers.