Upgrade some deps

Author: dgrubelic

gulpfile.js

@@ -17,6 +17,7 @@ gulp.task('server', function () {
     name: 'VueAuthentication',
     root: './example',
     base: 'example',
+    host: 'localhost',
     port: 8080,
     livereload: true,
     verbose: true,

package.json

@@ -25,23 +25,21 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "axios": "^0.17.1",
-    "babel-core": "^6.24.0",
-    "babel-loader": "^6.4.1",
-    "babel-plugin-external-helpers": "^6.22.0",
+    "@babel/core": "^7.3.4",
+    "babel-loader": "^8.0.5",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-es2015-rollup": "^3.0.0",
     "body-parser": "^1.17.1",
     "connect-history-api-fallback": "^1.3.0",
     "cors": "^2.8.1",
     "express": "^4.15.2",
-    "gulp": "^3.9.1",
+    "gulp": "3.9.1",
     "gulp-connect": "^5.0.0",
     "gulp-webpack": "^1.5.0",
     "node-dev": "^3.1.3",
     "oauth": "^0.9.15",
     "oauth-signature": "^1.3.1",
-    "parallelshell": "^2.0.0",
+    "parallelshell": "3.0.1",
     "request": "^2.81.0",
     "rollup": "^0.41.6",
     "rollup-plugin-babel": "^2.7.1",
@@ -53,11 +51,15 @@
     "uglify-js": "^2.8.22",
     "unix-timestamp": "^0.2.0",
     "vinyl-source-stream": "^1.1.0",
-    "vue-axios": "^2.0.2",
-    "vue-router": "^2.3.0",
-    "vuex": "^2.2.1",
-    "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "vue-router": "^3.0.2",
+    "vuex": "^3.1.0",
+    "webpack": "^4.29.6",
+    "webpack-dev-server": "^3.2.1"
+  },
+  "peerDependencies": {
+    "acorn-dynamic-import": "^4.0.0",
+    "acorn": "^6.0.0",
+    "ajv": "^6.9.1"
   },
   "tags": [
     "auth",
@@ -75,5 +77,12 @@
     "oauth",
     "oauth 1.0",
     "oauth 2.0"
-  ]
+  ],
+  "dependencies": {
+    "acorn": "^6.0.0",
+    "ajv": "^6.9.1",
+    "axios": "^0.18.0",
+    "vue": "^2.5.17",
+    "vue-axios": "^2.1.4"
+  }
 }

src/oauth/oauth2.js

@@ -77,8 +77,8 @@ export default class OAuth2 {
   exchangeForToken(oauth, userData) {
     let payload = objectExtend({}, userData)
 
-    for (let key in defaultProviderConfig.responseParams) {
-      let value = defaultProviderConfig[key]
+    for (let key in this.providerConfig.responseParams) {
+      let value = this.providerConfig.responseParams[key]
 
       switch(key) {
         case 'code':