Adding a default environment

- set through puppet.conf
  - created symbolic link from develop -> production in code/environments
  - changed puppet-g10k script to be generated from a template
  - parameterised g10k into hieradata

site/profiles/templates/puppet/g10k/puppet-g10k.erb

@@ -0,0 +1,4 @@
+#!/usr/bin/bash
+<%= @bin_path %> -config <%= @cfg_path %>
+rm -f <%= @environments_path %>/production
+ln -s <%= @environments_path %>/<%= @default_environment %> <%= @environments_path %>/production