fix(config): switch to new config style for emails, cc @lefnire

config.json.example

@@ -20,9 +20,11 @@
     "NEW_RELIC_APPLICATION_ID":"NEW_RELIC_APPLICATION_ID",
     "NEW_RELIC_API_KEY":"NEW_RELIC_API_KEY",
     "GA_ID": "GA_ID",
-    "EMAIL_SERVER_URL": "http://example.com",
-    "EMAIL_SERVER_AUTH_USER": "user",
-    "EMAIL_SERVER_AUTH_PASSWORD": "password",
+    "EMAIL_SERVER": {
+        "url": "http://example.com",
+        "authUser": "user",
+        "authPassword": "password" 
+    },
     "S3":{
         "bucket":"bucket",
         "accessKeyId":"accessKeyId",
@@ -33,5 +35,4 @@
         "client_id":"client_id",
         "client_secret":"client_secret"
     }
-
 }

src/utils.js

@@ -38,11 +38,11 @@ module.exports.txnEmail = function(mailingInfo, emailType, variables){
   if (mailingInfo._id) mailingInfo = getMailingInfo(mailingInfo);
   if (!mailingInfo.email) return;
   request({
-    url: nconf.get('EMAIL_SERVER_URL') + '/job',
+    url: nconf.get('EMAIL_SERVER:url') + '/job',
     method: 'POST',
     auth: {
-      user: nconf.get('EMAIL_SERVER_AUTH_USER'),
-      pass: nconf.get('EMAIL_SERVER_AUTH_PASSWORD')
+      user: nconf.get('EMAIL_SERVER:authUser'),
+      pass: nconf.get('EMAIL_SERVER:authPassword')
     },
     json: {
       type: 'email',