github: I want to review changes to the AUTHORS file and top level READMEs

Also move the issue template stuff for less clutter

.github/CODEOWNERS

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+/AUTHORS    @calmh
+/*.md       @calmh

.github/ISSUE_TEMPLATE.md

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+### DO NOT REPORT SECURITY ISSUES IN THIS ISSUE TRACKER
+
+Instead, contact security@syncthing.net directly - see
+https://syncthing.net/security.html for more information.
+
+### DO NOT POST SUPPORT REQUESTS OR GENERAL QUESTIONS IN THIS ISSUE TRACKER
+
+Please use the forum at https://forum.syncthing.net/ where a large number of
+helpful people hang out. This issue tracker is for reporting bugs or feature
+requests directly to the developers. Worst case you might get a short
+"that's a bug, please report it on GitHub" response on the forum, in which
+case we thank you for your patience and following our advice. :)
+
+### Please do post actual bug reports and feature requests.
+
+If your issue is a bug report, replace this boilerplate with a description
+of the problem, being sure to include at least:
+
+ - what happened,
+ - what you expected to happen instead, and
+ - any steps to reproduce the problem.
+
+Also fill out the version information below and add log output or
+screenshots as appropriate.
+
+If your issue is a feature request, simply replace this template text in
+its entirety.
+
+### Version Information
+
+Syncthing Version: v0.x.y
+OS Version: Windows 7 / Ubuntu 14.04 / ...
+Browser Version: (if applicable, for GUI issues)
+

.github/PULL_REQUEST_TEMPLATE.md

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+### Purpose
+
+Describe the purpose of this change. If there is an existing issue that is
+resolved by this pull request, ensure that the commit subject is on the form
+`Some short description (fixes #1234)` where 1234 is the issue number.
+
+### Testing
+
+Describe what testing has been done, and how the reviewer can test the change
+if new tests are not included.
+
+### Screenshots
+
+If this is a GUI change, include screenshots of the change. If not, please
+feel free to just delete this section.
+
+### Documentation
+
+If this is a user visible change (including API and protocol changes), add a link here
+to the corresponding pull request on https://github.com/syncthing/docs or describe
+the documentation changes necessary.
+
+### Authorship
+
+Every author of a code contribution (Go, Javascript, HTML, CSS etc, with the
+possible exception of minor typo corrections and similar) is recorded in the
+AUTHORS and NICKS files and the in-GUI credits. If this is your first
+contribution, a maintainer will add you properly before accepting the
+contribution. You need not do so yourself or worry about the fact that the
+"authors" automated test fails. However, if your name (such as you want it
+presented in the credits) is not visible on your Github profile or in your
+commit messages, please assist by providing it here.