civicrm/civicrm-core — pull request #4790 by mattrenner (2014-12-28 08:20:10+00:00)
Title: CRM-15763 - Payment Express has deprecated SSLv3

Payment Express (DPS) no longer supports SSLv3 (3), so suggest this is adjusted to default (0) which will allow curl to auto-negotiate to use a compatible version of TLS