Improved readability, Removed trash, Compressed JSON file slightly

Update .dockerignore, .gitignore, and 55 more files...

commons/headers.php

@@ -1,4 +1,10 @@
-<?php if (basename(__FILE__) == basename($_SERVER["SCRIPT_FILENAME"])) { header('HTTP/1.1 403 Forbidden'); die(); } ?>
+<?php
+// Making sure the file is included and not accessed directly.
+if(basename(__FILE__) == basename($_SERVER["SCRIPT_FILENAME"])) {
+    header('HTTP/1.1 403 Forbidden');
+    die();
+}
+?>
 <meta charset="utf-8" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
 <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" />