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.
Bug 928142
Merge pull request #1822 from bdecoste/master

Merged by openshift-bot
Bug 927570: Fix jbossews threaddump control action
Merge pull request #1823 from ironcladlou/bz/927570

Bug 927570: Fix jbossews threaddump control action
Bug 928142
Merge pull request #1789 from brenton/master

Adding SESSION_SECRET settings to the broker and console
clean deployments
Merge pull request #1825 from bdecoste/master

Merged by openshift-bot