Add hal8000_xmpp recipe

Also, configure express ports in attributes, so they are both easy to
see at once, as well as override per node/env.

site-cookbooks/kosmos-hubot/recipes/botka_freenode.rb

@@ -68,7 +68,7 @@ application botka_freenode_path do
         "HUBOT_RSS_PRINTERROR"        => "false",
         "HUBOT_RSS_IRCCOLORS"         => "true",
         # "HUBOT_LOG_LEVEL"             => "error",
-        "EXPRESS_PORT"                => "8081",
+        "EXPRESS_PORT"                => node[app_name]['http_port'],
         "HUBOT_AUTH_ADMIN"            => "bkero,derbumi,galfert,gregkare,jaaan,slvrbckt,raucao",
         "HUBOT_HELP_REPLY_IN_PRIVATE" => "true",
         "RS_LOGGER_USER"              => "kosmos@5apps.com",
@@ -95,18 +95,16 @@ end
 # Nginx reverse proxy
 #
 unless node.chef_environment == "development"
-  express_port = 8081
   express_domain = "freenode.botka.kosmos.org"
 
   include_recipe "kosmos-base::letsencrypt"
-
   include_recipe "kosmos-nginx"
 
   template "#{node['nginx']['dir']}/sites-available/#{express_domain}" do
     source 'nginx_conf_hubot.erb'
     owner node["nginx"]["user"]
     mode 0640
-    variables express_port: express_port,
+    variables express_port: node[app_name]['http_port'],
               server_name:  express_domain,
               ssl_cert:     "/etc/letsencrypt/live/#{express_domain}/fullchain.pem",
               ssl_key:      "/etc/letsencrypt/live/#{express_domain}/privkey.pem"