* thunderbird-gnome-support needs explicit dependency on libnotify
  - update debian/control{,.in}
* Add support for autopkgtest, and package the xpcshell and mozmill
  testsuites
  - add thunderbird-testsuite package in debian/control.in
  - update debian/control
  - add debian/thunderbird-testsuite.install.in
  - add debian/thunderbird-testsuite.links.in
  - update debian/build/mozbuild.mk
  - update debian/rules
  - add debian/tests/control
  - add debian/tests/mozmill
  - add debian/tests/xpcshell-tests
  - add debian/testscripts/run_mozmill.in
  - add debian/testscripts/run_xpcshell_tests.in
  - add debian/testscripts/testrunhelper.py
  - update debian/config/mozconfig.in to always build with --enable-tests
* Fix various tests that assume that either the application directory or
  test directory can be written to
  - add d/p/test-fixes/xpcshell-docshell-no-writes-to-appdir.patch
  - add d/p/test-fixes/xpcshell-contentprefs-no-writes-to-appdir.patch
  - add d/p/test-fixes/xpcshell-exthandler-no-writes-to-appdir.patch
  - add d/p/test-fixes/xpcshell-ctypes-no-writes-to-appdir.patch
  - add d/p/test-fixes/xpcshell-xpcom-no-writes-to-testdir-or-appdir.patch
  - add d/p/test-fixes/xpcshell-libpref-no-writes-to-testdir.patch
  - update debian/patches/series.in
* Export NO_PNG_PKG_MANGLE as optipng breaks tests that are dependent
  on image format / size
  - update debian/build/mozbuild.mk
* Don't test that the addon selection dialog appears in test_bug596343.js,
  as we disable this
  - add d/p/test-overrides/xpcshell-disable-addon-select-dialog-test.patch
  - update debian/patches/series
* Fix a failure in test_nodb_pluschanges.js due to const redeclaration
  - add d/p/test-fixes/xpcshell-search-fix-const-redeclaration.patch
  - update debian/patches/series.in
* Disable failing test_geolocation_provider.js xpcshell test
  - add d/p/test-overrides/xpcshell-disable-geolocation-provider-test.patch
  - update debian/patches/series.in
* Disable test_upgrade.js and test_upgrade_strictcompat.js xpcshell tests
  for now as they require write access to the application directory
  - add d/p/test-overrides/xpcshell-disable-extension-upgrade-test.patch
  - update debian/patches/series.in
* Update python-virtualenv to 1.8.2
  - add debian/patches/update-python-virtualenv.patch
  - update debian/patches/series.in
* Workaround the bash shebang 80 character limit when executing scripts in
  a virtualenv, by invoking the interpreter directly
  - add debian/patches/workaround-shebang-char-limit.patch
  - update debian/patches/series.in