Angular 2 http post not setting content type
Im trying to set headers on http.post with no luck.
import { Injectable } from '@angular/core';
import { Http, Headers, RequestOptions, Response } from '@angular/http';
import { User } from '../_models/index';
@Injectable()
export class UserService {
constructor(private http: Http) { }
create(username: string, firstname: string, lastname: string, email: string, password: string) {
    let headers = new Headers({
        'Accept' : 'application/json',
        'Content-Type': 'application/json'
    });
    let options = new RequestOptions({ headers: headers, method: 'post' });
    return this.http.post(
        'http://127.0.0.1:8080/api/users/register',
        JSON.stringify({username, firstname, lastname, email, password}),
        options
        // this.jwt()
    ).map(
        (response: Response) => response.json()
    );
}
I've set headers on my apache config
    <Directory /var/www/stockwatch_api>
            Header set Access-Control-Allow-Origin "*"
            Header set Access-Control-Allow-Headers "Content-Type"
            Header set Access-Control-Allow-Methods "POST, PUT, DELETE, GET, HEAD"
I've also set the same headers in my cakephp api app.
I'm getting this response:
Status Code: 501 Not Implemented

 
     
    