updated dependencies

Author: dgrubelic

.babelrc

@@ -1,7 +1,7 @@
 {
   "presets": [
     [
-      "es2015",
+      "@babel/preset-env",
       {
         "modules": false
       }

dist/vue-authenticate.common.js

@@ -1089,8 +1089,8 @@ OAuth2.prototype.exchangeForToken = function exchangeForToken (oauth, userData)
 
   var payload = objectExtend({}, userData);
 
-  for (var key in defaultProviderConfig$1.responseParams) {
-    var value = defaultProviderConfig$1[key];
+  for (var key in this$1.providerConfig.responseParams) {
+    var value = this$1.providerConfig.responseParams[key];
 
     switch(key) {
       case 'code':

dist/vue-authenticate.es2015.js

@@ -1087,8 +1087,8 @@ OAuth2.prototype.exchangeForToken = function exchangeForToken (oauth, userData)
 
   var payload = objectExtend({}, userData);
 
-  for (var key in defaultProviderConfig$1.responseParams) {
-    var value = defaultProviderConfig$1[key];
+  for (var key in this$1.providerConfig.responseParams) {
+    var value = this$1.providerConfig.responseParams[key];
 
     switch(key) {
       case 'code':

dist/vue-authenticate.js

@@ -1093,8 +1093,8 @@ OAuth2.prototype.exchangeForToken = function exchangeForToken (oauth, userData)
 
   var payload = objectExtend({}, userData);
 
-  for (var key in defaultProviderConfig$1.responseParams) {
-    var value = defaultProviderConfig$1[key];
+  for (var key in this$1.providerConfig.responseParams) {
+    var value = this$1.providerConfig.responseParams[key];
 
     switch(key) {
       case 'code':

dist/vue-authenticate.min.js

@@ -52,7 +52,7 @@ app.post('/auth/:provider', function(req, res){
   }
 });
 
-app.listen(4000);
+app.listen(4000, 'localhost');
 
 function allowCrossDomain(req, res, next) {
   res.header('Access-Control-Allow-Origin', '*');

example/server.js

@@ -1093,8 +1093,8 @@ OAuth2.prototype.exchangeForToken = function exchangeForToken (oauth, userData)
 
   var payload = objectExtend({}, userData);
 
-  for (var key in defaultProviderConfig$1.responseParams) {
-    var value = defaultProviderConfig$1[key];
+  for (var key in this$1.providerConfig.responseParams) {
+    var value = this$1.providerConfig.responseParams[key];
 
     switch(key) {
       case 'code':