Merge pull request #381 from public/compile-openssl-docs

Document compiling OpenSSL to avoid conflicts
Bump the copyright year
Merge pull request #383 from alex/bump-copyright

Bump the copyright year
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Typo fix
THis should be a seperate PR
Make the PyPy tox job consistent with the main one.
Merge pull request #384 from alex/better-docs

This page has been subsumed by the index
Merge pull request #385 from alex/consistent-tox

Make the PyPy tox job consistent with the main one.
Split OpenSSL binding