WebUI: Use CSS to alternate row colors in transferlist

Keep the old code for IE < 9, the majority of the browsers
shouldn't need it.

Also, keep the CSS code in one place.

src/webui/www/public/css/dynamicTable.css

@@ -29,6 +29,8 @@
 }
 
 
+#myTable tr:nth-child(even),
+#filesTable tr:nth-child(even),
 #properties #torrentFiles tr.alt,
 #properties #trackers tr.alt,
 #transferList tr.alt {
@@ -49,6 +51,8 @@
 	color: #fff;
 }
 
+#myTable tr:hover,
+#filesTable tr:hover,
 #properties #torrentFiles tr.over,
 #properties #trackers tr.over,
 #transferList tr.over {

src/webui/www/public/css/style.css

@@ -350,15 +350,6 @@ ul.filterList li:hover a {
 	line-height: 20px;
 }
 
-#filesTable tr:nth-child(even) {
-	background-color: #eee;
-}
-
-#filesTable tr:hover {
-	background-color: #e60;
-	color: white;
-}
-
 #addTrackersPlus {
 	width: 16px;
 	cursor: pointer;

src/webui/www/public/scripts/dynamicTable.js

@@ -63,6 +63,9 @@ var dynamicTable = new Class({
         },
 
         altRow : function () {
+            if (!MUI.ieLegacySupport)
+                return;
+
             var trs = this.table.getElements('tr');
             trs.each(function (el, i) {
                 if (i % 2) {