Adds RDO hangout, Icehouse3 test day, and tweaks ApacheCon URL.
Adds RDO hangout, Icehouse3 test day, and tweaks ApacheCon URL,
OpenStack Summit
Merge branch 'rcb-20140305' of https://github.com/rbowen/rh-events into rcb-20140305
moved new RDO Icehouse Text Day to -3 and restored original event