by tracing FKs instead of having a fixed list.
r=LpSolit, a=LpSolit

r=mkanat, a=mkanat, a=LpSolit

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.

Bug 422111: rederive regexp-based group memberships on the destination user after merging Bugzilla accounts, since some of the merged group memberships may no longer apply.
a=LpSolit

Bug 403824: Replace table locks in most Bugzilla files with transactions - Patch by Emmanuel Seyman <eseyman@linagora.com> r/a=mkanat

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

Bug 400160: contrib/merge-users.pl doesn't merge all required fields - Patch by FrÃdÃric Buclin <LpSolit@gmail.com> r=ghendricks a=LpSolit

Bug 375287: Remove the version check in contrib/merge-users.pl - Patch by bugzilla@corris.org r/a=LpSolit

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

Bug 328186: checksetup.pl should display the version of Bugzilla - Patch by Rémi Zara <remi_zara@mac.com> r=mkanat a=justdave

Bug 188264: migrating user activity from one account to another (merge user accounts) - Patch by Frédéric Buclin <LpSolit@gmail.com> r=mkanat a=justdave