Merge branch '1-the-api-php-isn-t-working' into 'master'

We want to follow the 302 and the likes, also enforcing json content-type.

Closes #1

See merge request !1

app/Api.php

@@ -9,8 +9,9 @@ class Api {
         $curl = curl_init();
         $url = API_BASE . $url . "/?format=json";
         curl_setopt($curl, CURLOPT_URL, $url);
-        //curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
+        curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
         curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
         $result = curl_exec($curl);
         curl_close($curl);
         return $result;