PSR2 Cleanup: /html edition

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

html/includes/modal/poller_groups.inc.php

@@ -11,11 +11,9 @@
  * the source code distribution for details.
  */
 
-if(is_admin() === false) {
+if (is_admin() === false) {
     echo ('ERROR: You need to be admin');
-}
-else {
-
+} else {
 ?>
 
 <div class="modal fade" id="confirm-delete" tabindex="-1" role="dialog" aria-labelledby="Delete" aria-hidden="true">