mail:notmuch:hooks:post-new: Lots of new tags

New tags: copyleft, gentoo-prefix, html2text, ipython, jinja, kmod,
mlmmj, monkeysphere, python, rss2email, simavr, towtruck, venv,
wireless, issue.

Additional source addresses for: admin, gentoo, git, libgit, gnupg,
kerberos, simulavr, swc.