Add a bunch of issues
Merge pull request #33 from mikewest/referrer

Initial draft for referrer policy
REFERRER/MIX: 'about:blank' is a potentially secure origin.
REFERRER: Navigate to URL.
REFERRER: Note about SOLIDUS.
REFERRER: Strip URL for use as a referrer.
CSP: Remove 'reflected-xss' from <meta> elements.
New build system.
REFERRER: Actually strip the url.
REFERRER: Fixing URL.
REFERRER: Cleaning up the integration with Fetch.
REFERRER: srcdoc documents.
REFERRER: s/null/none/g
REFERRER: Rework the 'user agents gonna user agent' note, and stop sending the header entirely for 'None'.
Rebuild HTML.
CSP2: LCWD, pass #1.
Cleanup the CSP LCWD.