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.
I'm not against this per-se, but I doubt I will ever use it.  Does it mess with the standard bash in any way someone who doesn't know it is installed will find annoying?