fixed guest_os_type for debian 7 templates
fixed guest_os_type for debian 6 templates
Merge pull request #23 from rasa/debian7-fix

Fixed guest_os_type for debian 6/7 templates
Adding script to set UseDNS=no on sshd settings
Adding CentOS 6.5 template
Adding template for Debian 7.3.0
Points to correct path for scripts
Merge pull request #26 from 412andrewmortimer/osx-packer-template

Points to correct path for scripts