* New upstream release from the beta channel (THUNDERBIRD_21_0b1_BUILD1)
* Drop support for building on older than precise
  - update debian/apport/source_thunderbird.py.in
  - update debian/build/mozbuild.mk
  - update debian/config/mozconfig.in
  - update debian/control.in
  - remove debian/patches/add-syspref-dir.patch
  - update debian/patches/series.in
  - remove debian/patches/use-new-yasm-in-lucid.patch
  - update debian/rules
  - update debian/thunderbird-globalmenu.dirs.in
  - update debian/thunderbird.desktop.in
  - update debian/thunderbird.dirs.in
  - update debian/thunderbird.install.in
  - update debian/thunderbird.links.in
  - update debian/thunderbird.postinst.in
  - update debian/thunderbird.postrm.in
  - update debian/thunderbird.preinst.in
* Drop the perl script for preprocessing the quilt series file
  - remove debian/build/enable-dist-patches.pl
  - update debian/build/mozbuild.mk
  - update debian/patches/series.in
* Make sure that SHELL is set in the build environment
  - update debian/build/mozbuild.mk
* Don't set the MOZCONFIG environment variable, but just copy our config
  in to the root of the source tree
  - update debian/build/mozconfig.mk
* Drop libthai suggest - this hasn't been needed for a long time
  - update debian/control
* Replace latex-xft-fonts suggest with ttf-lyx (yes, I know this is a
  transitional package since 12.10, but it avoids suggesting a different
  package for each release)
  - update debian/control
* Use virtualenv for compare-locales
  - update debian/build/create-tarball.py
  - update debian/build/mozbuild.mk
* Refactor create-tarball.py
* Fix LP: #1093665 - 'Next' button icon points upwards. Thanks to
  Richard Marti for the patch
  - update debian/patches/theme-refresh-messenger-toolbar-icons.patch
* Move some test integration patches in to a new directory
  - rename d/p/test-overrides/xpcshell-disable-addon-select-dialog-test.patch =>
      d/p/test-integration/xpcshell-disable-addon-select-dialog-test-for-adt.patch
  - rename debian/patches/update-python-virtualenv.patch =>
      d/p/test-integration/mozmill-update-python-virtualenv.patch
  - rename debian/patches/workaround-shebang-char-limit.patch =>
      d/p/test-fixes/mozmill-workaround-shebang-char-limit.patch
  - rename d/p/test-overrides/xpcshell-disable-mailglue-distribution-test.patch =>
      d/p/test-integration/xpcshell-disable-mailglue-distribution-test.patch
* Drop debian/patches/python-virtualenv-multiarch-fix.patch - fixed upstream
* Drop the ability to automatically skip xpcshell tests on an installed system that
  require write access to the application directory, preferring to just disable
  them instead. In reality, we weren't ever going to use this feature
  - remove d/p/test-integration/xpcshell-allow-omit-tests-on-real-install.patch
  - rename d/p/test-integration/xpcshell-disable-mailglue-distribution-test.patch =>
      d/p/test-integration/xpcshell-disable-tests-which-need-appdir-write-access.patch
  - update d/p/test-integration/xpcshell-disable-tests-which-need-appdir-write-access.patch
  - remove d/p/xpcshell-disable-extension-upgrade-test-for-adt.patch (merged
    in to the last patch)
  - remove d/p/test-overrides/xpcshell-disable-isp-autoconfig-test.patch
    (merged in to the last patch)
* Disable some extra failing xpcshell tests
  - rename d/p/test-overrides/xpcshell-disable-geolocation-provider-test.patch =>
      d/p/test-overrides/xpcshell-disable-failing-tests.patch
  - update d/p/test-overrides/xpcshell-disable-failing-tests.patch
  - update debian/patches/series.in
* Disable the menubar addon
  - update debian/config/mozconfig.in
  - update debian/build/mozbuild.mk
  - update debian/thunderbird-globalmenu.dirs.in
* Drop the menubar addon
  - remove debian/globalmenu
  - update debian/build/mozbuild.mk
  - update debian/config/mozconfig.in
  - update debian/control.in
  - remove debian/thunderbird-globalmenu.dirs.in
  - remove debian/patches/unity-globalmenu-build-support.patch
  - update debian/patches/series.in
* Fix build failure with --disable-updater builds
  - add debian/patches/fix-install-manifest-for-no-updater.patch
  - update debian/patches/series
* Fix a space versus tab issue in debian/build/mozbuild.mk
* Add native support for the Unity menubar (no addon)
  - add debian/patches/unity-menubar.patch
  - update debian/patches/series.in
* Refresh patches
  - update d/p/test-overrides/xpcshell-disable-geolocation-provider-test.patch
  - update debian/patches/xpcshell-allow-omit-tests-on-real-install.patch
  - update debian/patches/dont-include-hyphenation-patterns.patch
  - update d/p/test-integration/mozmill-update-python-virtualenv.patch