WIP. system upgrade

Notable Upgrades

- Ubuntu to 14.04 LTS
- PHP to 5.5
- Apache to 2.4
- Puppet to 3.6.x

Small changes:
- host from iliosdev to ilios.dev
- prettier bash

Work in progress. Do not merge yet.
All of the bower / nodejs stuff can go away.  Can you pull it out or put it in its own profile so we can pull it out later?  As of this morning we're going to package the frontend as a separate app entirely.