Description of problem:
Currently we allow protocol negotiation only up to TLSv1.0. We should remove this limit and allow negotiation up to TLSv1.2 for communication with external providers like Foreman, Neutron or Glance.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
ok, ovirt-engine-220.127.116.11-0.1.el7.noarch (Version: TLS 1.2 (0x0303)
check with wireshark and satellite private keys while adding satellite as external provider