Get Faraday SSL verify mode setting from PDC config.
Get Faraday SSL verify mode setting from PDC config.

When ssl verify mode is set to OpenSSL::SSL::VERIFY_PEER
or not in config, Faraday ssl verify mode should
be consistent with this setting.

JIRA: PDC-1687

product-definition-center/pdc-ruby-gem,product-definition-center/pdc-ruby-gem