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 like the concept of putting the logs in the home directory, but I worry I will forget they are there and not realize why the standard location is empty.  Can you make logs go to both /home/vagrant and /var/log/apache2 ?  If not then a symlink  in the official dir would be a good reminder.