Added "My votes" link to footer.  Other minor voting-related fixes.

milestones".

the database, rather than in cookies.  This means you have to log
in to use these features, but I have plans that require them to be
server-side.  (Besides, some people were beginning to run out of
cookie space.)

unique.  Sure enough, somehow, I got 22 duplicated entries in my
database.  This code detects that, cleans up the duplicates, and then
tweaks the table to declare the field to be unique.  What a pain.

dependent bugs.

it got run more than once.  This checkin fixes that, and also changes
the DumpBugActivity() routine to give me enough information to
hopefully repair the damaged mozilla.org database...

in the "long description" search.

description to crash.

default sort order for new queries.  Add a new "show list" link to the
navigation header to return you to the list of selected bugs.

modifications by me -- let you query for "any words" and "all words",
as well as the existing substring and regexp stuff.

don't generate HTML tables with more than 50 lines, as browsers generally
can't cope with huge tables.

option to skip the database check (since that code doesn't work with
all versions of MySQL/Msql-mysql/Perl/moonphase).

different fields we keep an activity log on.  The bugs_activity table
now has a pointer into that table instead of recording the name directly.

Set up a new, highly experimental email-notification scheme.  To turn
it on, the maintainer has to turn on the "New email tech" param, and
then individual users have to turn on the "New email tech" preference.

Don't try to put out the footer if we're shutdown (as that can try to access the DB which we don't want).

table.  There is now a separate entry for each new long description,
rather than appending them all together in one big field.

both was causing corruption on about 1 in 40 passwords.)