For non pooling connections in postgres, orhpaned clients should be able to go t…

…hrough now / we now do a more strict check for connections. This is really a band-aid on a problem that needs stitches, I've added comments in the code to explain what we really need...

lib/dialects/postgres/connector-manager.js

@@ -72,8 +72,9 @@ module.exports = (function() {
     var emitter = new (require('events').EventEmitter)()
 
     // in case database is slow to connect, prevent orphaning the client
-    if (this.isConnecting && !this.pooling) {
-      emitter.emit('success')
+    // TODO: We really need some sort of queue/flush/drain mechanism
+    if (this.isConnecting && !this.pooling && this.client === null) {
+      emitter.emit('success', null)
       return emitter
     }