Changed autodetect messages from WARN to INFO in non forced mode.

Till Brehm

2016-04-05 32dcc8752f280299f0e364ccebcc092db8f2cb4e

 install/lib/install.lib.php

@@ -86,6 +86,9 @@
         $mainver = array_filter($mainver);
         $mainver = current($mainver).'.'.next($mainver);
         switch ($mainver){
         case "15.10":
            $relname = "(Wily Werewolf)";
            break;
         case "15.04":
            $relname = "(Vivid Vervet)";
            break;