[INFRA-129] Added credentials used by 'jenkins-admin' IRC bot
Switch to a new 12.04 Puppet/Docker AMI

The old one apparently forgot how to puppet and docker properly. Not even sure
how that happened.
Add the jenkinsadmin profile for running the ircbot docker container

Fixes INFRA-129
Map the private files for the ircbot into the docker container
Fix some silly lint warnings
Merge pull request #36 from jenkins-infra/INFRA-129

Manage and run jenkins-admin in Docker