Changed friendship buttons. We now use AJAX, changed button style and added FA icons.

website/public/API/getFriendshipStatus.php

@@ -0,0 +1,18 @@
+<?php
+
+session_start();
+
+require_once ("../../queries/connect.php");
+require_once ("../../queries/friendship.php");
+
+if(empty($_POST["usr"])) {
+    header('HTTP/1.1 500 Non enough arguments');
+}
+
+$friendship_status = getFriendshipStatus($_POST["usr"]);
+
+if($friendship_status == -2) {
+    header('HTTP/1.1 500 Query failed');
+}
+
+echo $friendship_status;