Add multiple client connection support that only relies on the create…

…Client object (not the environment variables)

lib/client.js

@@ -53,28 +53,24 @@ exports.createClient = function (options) {
 
   options = store.defaults(options);
 
-  if (nconf.get('helpcenter')) {
-    this.helpcenter = true;
-  } else if (nconf.get('voice')) {
-    this.voice = true;
-  }
-
   if (nconf.get('subdomain')) {
-    if (this.helpcenter) {
-      nconf.set('remoteUri', 'https://' + nconf.get('subdomain') + '.zendesk.com/api/v2/help_center');
-    } else if (this.voice){
-      nconf.overrides({'remoteUri': 'https://'+nconf.get('subdomain') + '.zendesk.com/api/v2/channels/voice'});
+    var endpoint;
+    if (options.stores.defaults.store.helpcenter) {
+      endpoint = '.zendesk.com/api/v2/help_center';
+    } else if (options.stores.defaults.store.voice){
+      endpoint = '.zendesk.com/api/v2/channels/voice';
     } else {
-      nconf.set('remoteUri', 'https://' + nconf.get('subdomain') + '.zendesk.com/api/v2');
+      endpoint = '.zendesk.com/api/v2';
     }
+    options.stores.defaults.store.remoteUri = 'https://' + nconf.get('subdomain') + endpoint;
   }
 
   var client = {}, partsToAdd, clientPath;
 
-  if (this.helpcenter) {
+  if (options.stores.defaults.store.helpcenter) {
     partsToAdd = helpcenterParts;
     clientPath = './client/helpcenter/';
-  } else if (this.voice) {
+  } else if (options.stores.defaults.store.voice) {
     partsToAdd = voiceParts;
     clientPath = './client/voice/';
   } else {
@@ -98,5 +94,6 @@ exports.createClient = function (options) {
       console.log(args);
     }
   }
+
   return client;
 };