1153054 - pulp.bindings refuse to do SSLv3.

This commit configured pulp.bindings.server to refuse to do SSLv2 or SSLv3.
TLSv1.0 and greater are allowed.

https://bugzilla.redhat.com/show_bug.cgi?id=1153054
Merge branch 'disable_sslv3' into 2.4-testing
Merge branch '2.4-testing' into 2.4-dev