Automated wordpress setup and updated vagrant and puppet files for compatibility with current versions

Wordpress automation courtesy of
https://github.com/hunner/puppet-wordpress. Updated all puppet modules.
Removed firewall puppet module as it is no longer required by the
current apache module. Updated Vagrantfile for vagrant 1.1+ compat.
Cleaned up the site.pp file a bit for readability.
Merge pull request #1 from couplebits/master

Automated wordpress setup and updated vagrant and puppet files for compa...