Added puppetlabs-firewall (required by puppetlabs-postgresql), updated the other modules.

modules/firewall/spec/acceptance/unsupported_spec.rb

@@ -0,0 +1,10 @@
+require 'spec_helper_acceptance'
+
+describe 'unsupported distributions and OSes', :if => UNSUPPORTED_PLATFORMS.include?(fact('osfamily')) do
+  it 'should fail' do
+    pp = <<-EOS
+      class { 'firewall': }
+    EOS
+    expect(apply_manifest(pp, :expect_failures => true).stderr).to match(/not currently supported/i)
+  end
+end