* Merge from Debian unstable.  Remaining changes:
  - qt-kde-team/1/debian-qt-kde.mk:
    + Distribution text = "Kubuntu packages".
  - debian/rules:
    + Add rules to sync l10n.
  - perllib/Debian/Debhelper/Sequence/kubuntu_l10n.pm:
    + Add sequence for Debhelper.
  - perllib/Debian/Debhelper/Sequence/{kf5,kde}.pm:
    + Require kubuntu_l10n sequence.
  - debian/pkg-kde-tools.install, kubuntu/*:
    + Install kubuntu/ files and l10n scripts.
  - qt-kde-team/{1,2,3}/policy.mk:
    + Remove maintainer checking.
  - qt-kde-team/{2,3}/lintian.mk:
    + Call it after the binary target in
      qt-kde-team/{2,3}/debian-qt-kde.mk.
  - perllib/Debian/Debhelper/Sequence/kf5.pm:
    + Disable dh_auto_test for armhf PPA builds.
* Team upload.
* Improve error handling in pkgkde-gensymbols.
  Previously it ignored exceptions from dpkg-gensymbols.