fix(version): update code to compile based on new typescript

src/app/auth/authentication.service.ts

@@ -1,5 +1,5 @@
 import { Injectable, Inject } from '@angular/core';
-import { Http, Response, Headers, RequestOptions } from '@angular/http';
+import { Http, Response, Headers, RequestOptions, RequestOptionsArgs } from '@angular/http';
 
 import { Observable, Subject } from 'rxjs';
 import { Broadcaster } from 'ngx-base';
@@ -112,10 +112,11 @@ export class AuthenticationService {
   refreshToken() {
     if (this.isLoggedIn()) {
       let headers = new Headers({ 'Content-Type': 'application/json' });
+      let options: RequestOptions = new RequestOptions({ headers: headers });
       let refreshTokenUrl = this.apiUrl + 'login/refresh';
       let refreshToken = localStorage.getItem('refresh_token');
       let body = JSON.stringify({ 'refresh_token': refreshToken });
-      this.http.post(refreshTokenUrl, body, headers)
+      this.http.post(refreshTokenUrl, body, options)
         .map((response: Response) => {
           let responseJson = response.json();
           let token = this.processTokenResponse(responseJson.token);