Fixed Debian/Ubuntu support using the locale cookbook
Fixed integration tests to work with Debian and CentOS platforms
Improved PostgreSQL support in RPM platforms including tests, PostgreSQL documentation added, integration tests improved
Guardfile: added --exclude spec to foodcritic
TESTING: replaced old DIGITALOCEAN_CLIENT_ID with DIGITALOCEAN_ACCESS_TOKEN
Vagrantfile: ip changed to avoid .1 and auto correct forwarded ports