many small fixes, hacky way to ignore no more variables, fix up supermicro sensor limits, loosen automatic sensor limit settings a bit

git-svn-id: http://www.observium.org/svn/observer/trunk@1675 61d68cd4-352d-0410-923a-c4978735b2b8

discovery.php

@@ -67,7 +67,7 @@ if (file_exists('.svn'))
     include("fix-events.php"); ## Fix events table (needs to copy some data around, so needs script)
   }
 
-  if($db_rev+0 < 1656) { //FIXME
+  if($db_rev+0 < 1656) {
      include('fix-port-rrd.php'); ## Rewrites all port RRDs. Nothing will work without this after 1656
   }