Encapsulated cookie-based tree in a helper method.

re-registered inside registerHelp().

(to be backported to 2.4 branch after 2.4.0 release)

implementing correctly, so change this to return "too hard to
determine".

method now just takes care of deleting all traces of a garbage
collected object, via oid.

_zaprevision(): Factored and rewritten to make logic more readable.
Leaves zapping of g.c.'d objects to _zapobjects().

pack(): In looping over the metadata, be sure to stop when we've hit
an oid different than the one we're looking for.  This caused way too
many metadata entries (and thus object) to be packed away.

has been broken

producing trash Control-M characters

strings.

using the import function.

Backing out "dont show domains box" changes made earlier today.  It turns out that the documentation requirement that caused me to do this went away.

Continued tutorial fixes. Now it's really fixed ;-). This should complete the fixes made necessary by STXNG.

Made tutorial more robust in terms of checking to see if the examples are installed. Also fixed a bug that appeared due to recent changes in structured text.

Corrected domainSpecValidate method... it was previously failing due to improper dependency of the addr_match and host_match regexes returning an integer.

Requests for "index_html" are *sometimes* send as "index_html."
We check the user-agent and remove a trailing dot for PATH_INFO
and PATH_TRANSLATED

(needed to support Webdrive to create temporary files)