Set puppetdb server to listen on all interfaces

This sets the puppetdb server to listen on all interfaces over
both ipv4 and ipv6. I have left a comment in the code for future
travelers wondering if '0.0.0.0' will open up ipv6 addresses as
well.

Change-Id: I2396c721afdf956085b46d8633a236aaab46fa94
Merge "Set puppetdb server to listen on all interfaces"