Oracle/RT 100% usable, 95% optimal

The following set of patches (available at
http://rt3.fsck.com/Ticket/Display.html?id=3131) enable support for
RT-3.0.4 on Oracle. Part of the patches disables support for session
data to be stored in the database and reverts to the old behaviour of
using Apache::Session::File. This will change in a future instance of
the Oracle support for RT - but until I, or someone else, can figure
out why this isn’t working - the only option is to use an alternate
method.

Please use, test, install and comment. Patches or more simply,
encouragement is much appreciated.

-Brook