new upstream release

• new upstream release
• do not repack the upstream tarball to strip OpenPGP.js
  • d/copyright
• remove patches as a consequence:
  • d/patches/0003-avoid-OpenPGP.js-when-building.patch
  • d/patches/0004-copy-enums.armor-from-OpenPGP.js.patch
  • d/patches/0005-avoid-OpenPGP.js-during-key-file-import.patch
  • d/patches/0006-drop-use-of-OpenPGP.js-for-generating-minimal-keys.patch
  • d/patches/0008-enable-the-use-of-extra-file-descriptors-and-test-th.patch
  • d/patches/0009-add-test-to-do-symmetric-encryption-decryption-with-.patch
  • d/patches/0010-use-GnuPG-instead-of-openpgp.js-for-symmetric-encryp.patch
• refresh patches:
  • d/patches/0001-avoid-eslint-during-buildtest.patch
  • d/patches/0002-Avoid-auto-download-of-pEpEngine-Closes-891882.patch
  • d/patches/0007-add-more-logging-to-autocrypt-test.patch
  • d/patches/0011-tests-wrap-individual-tests-in-key-test-with-withTes.patch
• new patches:
  • d/patches/0012-fix-stdlib-Makefile.patch
  • d/patches/0013-strip-comment-from-manifest.patch
• use dh_webext to install the extension
  • d/control
  • d/rules
  • d/run-tests
  • d/install-webext
• update autopgktests to jsunit API changes
  • d/tests/tbird-sqlite{,.js}
  • d/tests/unit-tests