Remove partial LDAP client cert support

The LDAP KDB module has some code to interpret {FILE} values in stash
files, and set the service_cert_path/pass fields in the ldap context.
But there was no code to actually use those values to do client cert
authentication, so it wasn't useful.  Remove the partial
implementation.
Fix h1 end tag in Sphinx header titles

A </h1> end tag was incorrectly written as <h1>.  Also adjust style
settings so that the resulting computed style remains the same for
div.rel.

ticket: 7557 (new)
target_version: 1.11.1
tags: pullup
Fix typos in layout.html

There were multiple misplaced semicolons, etc.

ticket: 7558 (new)
target_version: 1.11.1
tags: pullup
Fix "search" accesskey in layout.html

The accesskey for the "search" link conflicted with the one for the
"contents" link.

ticket: 7559 (new)
target_version: 1.11.1
tags: pullup
Consolidate style settings in kerb.css

Move style settings that were previously in layout.html to kerb.css.
Rename kerb.css kerb.css_t, making it a template, to allow
parameterized style settings to remain parameterized.
Reduce copied code in layout.html

layout.html unneccesarily copied code from the parent
agogo/layout.html content block just to alter the sidebar.  Override
various subblocks of the sidebar instead.
Refactor rellinks formatting in layout.html