Removed old/obsolete templates.
Add new template for Ubuntu 12.04.04

Add new template for the most recent version of Precise (12.04.4)
that uses puppet version 2.7.25 and Virtualbox version 4.3.10.

This templates includes serverspec tests to check if the image has
been build correctly. These tests are execute after an successful
build.

Short change log:

- Add new template for 12.04.4

- Update Virtualbox guest additions to 4.3.10

- Update Puppet to 2.7.25

- Add serverspec tests and script

- Rearrange the template order to a more sane format

- Add file provisioner for tests.

- Add serverspec.sh to scripts.
Add new template for Ubuntu 12.04.04

Same template as 'ubuntu-12.04.4-64bit-vbox-4.3.10-puppet-2.7.25' but
with puppet version 3.5.1.