MS-SQL and SQLite support.

During the CVS imports into Bzr, there were some inconsistencies introduced
(mostly that files that were deleted in CVS weren't being deleted in Bzr).
So this checkin makes the bzr repo actually consistent with the CVS repo,
including fixing permissions of files.

Patch By Max Kanat-Alexander <mkanat@bugzilla.org> r=LpSolit, a=LpSolit

Bug 282121: Remove globals.pl from scripts that no longer use it - Patch by Frédéric Buclin <LpSolit@gmail.com> r=mkanat a=myk

Bug 303709: Eliminate deprecated Bugzilla::DB routines from sendbugmail.pl, sendunsentbugmail.pl and syncLDAP.pl scripts in contrib - Patch by Olav Vitters <bugzilla-mozilla@bkor.dhs.org> r=LpSolit a=justdave

Bug 301062: [PostgreSQL] whine.pl fails when using PostgreSQL 8.0.x - Patch by Frédéric Buclin <LpSolit@gmail.com> r=mkanat r=manu a=justdave

Bug 73665 - migrate email preferences to their own table, and rearchitect email internals. Patch by gerv; r=jake, a=justdave.

Patch By Max Kanat-Alexander <mkanat@kerio.com> r=glob, a=myk

Patch By Tomas Kopal <Tomas.Kopal@altap.cz> r=wicked, a=justdave

Patch By Tomas Kopal <Tomas.Kopal@altap.cz> r=mkanat, a=justdave

Fix for bug 245075: command-line script that sends bug mail so installations can push bug mail out if it's been missed by the code that sends mail when changes are made; written by Dave Miller