Rename sockethub firewall recipe

Not just used internally anymore.

site-cookbooks/sockethub/recipes/firewall.rb

@@ -0,0 +1,14 @@
+#
+# Cookbook Name:: sockethub
+# Recipe:: firewall
+#
+
+unless node.chef_environment == "development"
+  include_recipe "kosmos-base::firewall"
+
+  firewall_rule 'sockethub' do
+    port     node['sockethub']['external_port'].to_i
+    protocol :tcp
+    command  :allow
+  end
+end