PSR2 Cleanup: /html edition

Travis tests for code conformance. Ignore warnings for now.
Fixed all errors, left most warnings.

html/includes/forms/callback-clear.inc.php

@@ -13,7 +13,7 @@
  */
 header('Content-type: text/plain');
 
-if(is_admin() === false) {
+if (is_admin() === false) {
     die('ERROR: You need to be admin');
 }