Fix logviewer autoscroll for chrome

Chrome does not support the scrollTopMax property

src/js/logs.js

@@ -61,7 +61,7 @@ app.controller('LogsController', ['$scope', '$timeout', '$location', 'Client', f
 
                 // check if we want to auto scroll (this is before the appending, as that skews the check)
                 var tmp = $('.logs-container');
-                var autoScroll = tmp[0].scrollTop > (tmp[0].scrollTopMax - 24);
+                var autoScroll = tmp[0].scrollTop > (tmp[0].scrollHeight - tmp.innerHeight() - 24);
 
                 var logLine = $('<div class="log-line">');
                 var timeString = moment.utc(data.realtimeTimestamp/1000).format('MMM DD HH:mm:ss');