ikiwiki/ news/ version 3.20171001

ikiwiki 3.20171001 released with these changes

- [ Joey Hess ]
  - htmlscrubber: Add support for the video tag's `loop` and `muted` attributes. Those were not in the original html5 spec, but have been added in the whatwg html living standard and have wide browser support.
  - emailauth, passwordauth: Avoid leaving `cgisess_*` files in the system temp directory.
- [ Simon McVittie ]
  - core: Don't decode the result of `strftime` if it is already tagged as UTF-8, as it might be since Perl >= 5.21.1. (Closes: #869240)
  - img: Strip metadata from resized images when the deterministic config option is set. Thanks, intrigeri
  - receive: Avoid `asprintf()` in `IkiWiki::Receive`, to avoid implicit declaration, potential misbehaviour on 64-bit platforms, and lack of portability to non-GNU platforms
  - t: Add a regression test for untrusted git push
  - receive: Fix untrusted git push with git (>= 2.11) by passing through the necessary environment variables to make the quarantine area work
  - debian: Declare compliance with Debian Policy 4.1.1
- [ Amitai Schleier ]
  - l10n: Fix the build with po4a 0.52, by ensuring that `msgstr` ends with a newline if and only if `msgid` does