Make durations look nice on the task list

appengine/swarming/elements/res/imp/tasklist/task-list.html

Index: appengine/swarming/elements/res/imp/tasklist/task-list.html
diff --git a/appengine/swarming/elements/res/imp/tasklist/task-list.html b/appengine/swarming/elements/res/imp/tasklist/task-list.html
index 3a0f288eeec6b1adac73ae8240266ed3eca872c1..5be3c649271cb04061a61c5b53e877dad87250b7 100644
--- a/appengine/swarming/elements/res/imp/tasklist/task-list.html
+++ b/appengine/swarming/elements/res/imp/tasklist/task-list.html
@@ -227,6 +227,7 @@
         return this._attribute(task, "costs_usd", 0)[0];
       },
       created_ts: humanTime("created_ts"),
+      duration: humanTime("duration"),
       modified_ts: humanTime("modified_ts"),
       started_ts: humanTime("started_ts"),
       state: function(task) {
@@ -259,13 +260,14 @@
         var aCol = this._attribute(a, attr)[0];
         var bCol = this._attribute(b, attr)[0];
 
-        return dir * swarming.naturalCompare(aCol, bCol);
+        return dir * (aCol - bCol);
       }
     }
     var specialSort = {
       abandoned_ts: sortableTime("abandoned_ts"),
       completed_ts: sortableTime("completed_ts"),
       created_ts: sortableTime("created_ts"),
+      duration: sortableTime("duration"),
       modified_ts: sortableTime("modified_ts"),
       started_ts: sortableTime("started_ts"),
     };
@@ -363,7 +365,7 @@
           return undefined;
         }
         // TODO(kjlubick) Make this point to /newui/ when appropriate.
-        return "/restricted/task/"+taskId;
+        return "/user/task/"+taskId;
       },
 
       _taskClass: function(task) {