Remove outdated information from FAQ.
Merge pull request #1395 from Ayrx/update-faq

Remove outdated information from FAQ.
Fixed #1392 -- allow more combinations of p and q's bit lengths
Merge pull request #1397 from alex/looser-dsa

Fixed #1392 -- allow more combinations of p and q's bit lengths
Merge branch 'master' into pure-python-pem