Remove AFSLore from wiki URLs

The URL of the openafs wiki doesn't contain "AFSLore" anymore. Although
these old URLs still work, replace them to point users to the correct
address in the first place. Also be consistent and always use a
trailing /.

Reviewed-on: http://gerrit.openafs.org/8819
Reviewed-by: Ken Dreyer <ktdreyer@ktdreyer.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Tested-by: Jeffrey Altman <jaltman@your-file-system.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit df4d971ec1a014826929dfeac017fb24d37ac38a)

Change-Id: I99027c23c3a2e5604f927f51961298b5ec27d1c1
Reviewed-on: http://gerrit.openafs.org/9504
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Michael Laß <lass@mail.uni-paderborn.de>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>