palladium/strontium as puppetmasters

Palladium will be the frontend and strontium a backend. palladium will
effectively be taking sockpuppet's place in all respects (e.g. puppetCA,
puppet-merge runner etc). One last step to be done after the transition
is to move the puppet MySQL database to db1001

Change-Id: Id6e38ae4c60f0ea2f91ecb0aab6c4f2b4720e198