Update OpenSSL to 1.0.1q

Some new vulnerabilities were found, all severity 'moderate' or 'low'.

https://www.openssl.org/news/secadv/20151203.txt

We should upgrade to 1.0.1q

cc @marin

mentioned in merge request !558 (merged)

Reassigned to @marin

Thanks @jacobvosmaer for opening an issue, created !558 (merged) .

Status changed to closed by commit f99fd257