Changes to 13-MAR-2017: Chrome disables support for mandatory features of HTTPS between r0 and r1

**Because mandatory features of the RFC are optional**

A coworker of mine uses Chrome canary, probably because he likes to use broken software, and noticed that some of our internal web pages were reporting an issue with certificate validation.  He looked into and found a [Google Chromium Bug Report|https://bugs.chromium.org/p/chromium/issues/detail?id=700354]
A coworker of mine uses Chrome canary, probably because he likes to use broken software, and noticed that some of our internal web pages were reporting an issue with certificate validation.  He looked into and found a [https://bugs.chromium.org/p/chromium/issues/detail?id=700354|Google Chromium Bug Report]

Legend

     Only in r0
     Only in r1
     -->      Modified slightly between r0 and r1