Print out useful SSL-related information on SSL error page.
Make certificate error pages more useful. Attempt to identify known cases where upgrading OpenSSL would be useful.
<img width="553" alt="screen shot 2016-06-29 at 12 29 30 pm" src="4d07d5e2-3df5-11e6-94ab-cf061c0e64cc.png">
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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
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