Allow to filter for running downloads

i.e. downloads with some speed.

index.html

@@ -245,6 +245,10 @@
       <input id="download-filter" type="text" ng-model="downloadFilter" autocomplete="off" ng-change="onDownloadFilter()" class="input-large"/>
       <button ng-click="clearFilter()" class="btn btn-default btn-mini">Clear</button>
       <br>
+      <label for="filter-speed">
+        <input type="checkbox" ng-model="filterSpeed" id="filter-speed">
+        running
+      </label>
       <label for="filter-active">
         <input type="checkbox" ng-model="filterActive" id="filter-active">
         active

js/ctrls/download.js

@@ -144,6 +144,7 @@ function(
   };
 
   scope.toggleStateFilters = function() {
+    scope.filterSpeed = !scope.filterSpeed;
     scope.filterActive = !scope.filterActive;
     scope.filterWaiting = !scope.filterWaiting;
     scope.filterComplete = !scope.filterComplete;
@@ -153,6 +154,7 @@ function(
   };
 
   scope.resetFilters = function() {
+    scope.filterSpeed =
       scope.filterActive =
       scope.filterWaiting =
       scope.filterComplete =
@@ -183,8 +185,20 @@ function(
   scope.getDownloads = function() {
     var downloads = [];
     if (scope.filterActive) {
+      if (!scope.filterSpeed) {
+        downloads = _.filter(scope.active, function (e) {
+          return !+e.uploadSpeed && !+e.downloadSpeed;
+        });
+      }
+      else {
         downloads = scope.active;
       }
+    }
+    else if (scope.filterSpeed) {
+      downloads = _.filter(scope.active, function (e) {
+        return +e.uploadSpeed || +e.downloadSpeed;
+      });
+    }
     if (scope.filterWaiting) {
       downloads = downloads.concat(_.filter(scope.waiting, function (e) {
         return e.status == "waiting";