Develop

Changes going into Master Branch are:

-Support Shibboleth IdP v2.4.3 software to respond to 2.4.0 vulnerability(Xalan/Xerces risk CVE2013-4002)
-roll up on external security fixes (SSLv3/Poodle CVE2014-3566)
-PreFlight check installation to assist in rapid diagnosis of connectivity issues before install goes forward
-Additional feedback to user redirecting yum output to user
-ability to do headless install (documentation pending)