doc: fix some broken link specifications

doc: fix some broken link specifications

"local" links to section heads inside the same pod page should be written
L</OPTIONS> instead of L<OPTIONS>.  the other broken links are assorted
typos and capitalization changes.

Reviewed-on: http://gerrit.openafs.org/4831
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Reviewed-by: Ken Dreyer <kdreyer@usgs.gov>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
(cherry picked from commit 6770c6c411f2766471b4dc07bd7c66794f95ba63)

Change-Id: Id53b3ad6c2f8e0ec00fabf733b2b2052495b3f27
Reviewed-on: https://gerrit.openafs.org/11675
Reviewed-by: Chas Williams <3chas3@gmail.com>
Reviewed-by: Michael Meffie <mmeffie@sinenomine.net>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>