Setting up port disable/lockout from the SQL into the main code base for the pool. Also making it so the API won't list a non-used pool type.

lib/pool.js

@@ -715,6 +715,9 @@ if (cluster.isMaster) {
         bannedIPs = [];
     }, 60000);
     async.each(global.config.ports, function (portData) {
+        if (global.config[portData.portType].enable !== true){
+            return;
+        }
         let handleMessage = function (socket, jsonData, pushMessage) {
             if (!jsonData.id) {
                 console.warn('Miner RPC request missing RPC id');