Add Photo Supreme for PostgreSQL v3

Add the multi-user / multi-machine version of Photo Supreme v3
with the PostgreSQL v9 backend.

Casks/photo-supreme-postgresql.rb

@@ -0,0 +1,16 @@
+cask :v1 => 'photo-supreme-postgresql' do
+  version '3'
+  sha256 'ed1d669e46cf073a4720224c0f08aca70da2e6c6687be1a9d733bda9e45a5304'
+
+  url 'http://www.idimager.com/Trial/PhotoSupremePostgreSQL_V3.pkg'
+  name 'Photo Supreme with PostreSQL'
+  homepage 'http://www.idimager.com/WP/?page_id=20'
+  license :commercial
+
+  pkg 'PhotoSupremePostgreSQL_V3.pkg'
+
+  uninstall :pkgutil => 'com.idimager.idimagersu'
+
+  depends_on :macos => '>= 10.7'
+  depends_on :formula => 'postgresql'
+end