Adding SESSION_SECRET settings to the broker and console

These aren't really used today but we need to get users to stop using the
default rails secrets.
MegaShift => Silver
Merge remote-tracking branch 'origin/master' into update_to_new_plan_values
Fix health_check.php to conform PHP 5 standards
WIP Cartridge Refactor - Refactor V2 connector_execute to use V1 contract
Remove references to plans from origin-server
Bug 927618
Automatic commit of package [openshift-origin-broker-util] release [1.6.6-1].
Automatic commit of package [rubygem-openshift-origin-node] release [1.6.8-1].
Automatic commit of package [openshift-origin-cartridge-haproxy-1.4] release [1.6.4-1].
Automatic commit of package [openshift-origin-cartridge-jbosseap-6.0] release [1.6.6-1].
Automatic commit of package [openshift-origin-cartridge-jenkins-client] release [1.5.8-1].
Automatic commit of package [openshift-origin-cartridge-jbosseap] release [2.0.7-1].
Automatic commit of package [openshift-origin-cartridge-jbossas-7] release [1.6.6-1].
Automatic commit of package [openshift-origin-cartridge-abstract] release [1.6.6-1].
Automatic commit of package [openshift-origin-cartridge-php] release [0.1.6-1].
Automatic commit of package [openshift-origin-cartridge-jenkins] release [1.6.8-1].
Automatic commit of package [rubygem-openshift-origin-controller] release [1.6.7-1].
Automatic commit of package [rubygem-openshift-origin-common] release [1.5.4-1].
Automatic commit of package [rubygem-openshift-origin-console] release [1.6.6-1].