update officially supported platforms:

* Debian 7.8
* Ubuntu 12.04
* Ubuntu 14.04

Author: phlipper

.kitchen.yml

@@ -8,16 +8,10 @@ provisioner:
   name: chef_zero
 
 platforms:
-  - name: debian-6.0.8
-  - name: debian-7.2.0
+  - name: debian-7.8
   - name: ubuntu-12.04
-  - name: ubuntu-13.10
-    attributes:
-      postgresql:
-        apt_distribution: precise
   - name: ubuntu-14.04
 
-
 suites:
   <% %w[9.3 9.4].each do |version| %>
   - name: server_<%= version.tr(".", "") %>

README.md

@@ -32,8 +32,9 @@ The default version is `9.4`.
 
 The following platforms are supported by this cookbook, meaning that the recipes run on these platforms without error:
 
-* Ubuntu 12.04+
-* Debian 6+
+* Debian 7.8
+* Ubuntu 12.04
+* Ubuntu 14.04
 
 ### Chef