Added PHP 7 check in installer and updater.

Till Brehm

2016-04-22 ebd0e986ed11f2a34fb58cdd33efbfab192083ad

 interface/web/help/index.php

@@ -13,4 +13,4 @@
  <p>&nbsp;</p>
</div>
</BODY>
</HTML>
</HTML>