fixes #921 overlapping solved

Issue #921 fixed.

![arena](https://cloud.githubusercontent.com/assets/9438627/4911465/e47190b4-648d-11e4-931e-738ecf295070.png)

Use the code below to perform tests on your local environment, when you don't have enough rooms to display the pagination.

*app\js\controllers\activeContestsCtrl.js*
```
@@ -269,6 +269,9 @@ var activeContestsCtrl = ['$scope', '$rootScope', '$state', 'socket', 'appHelper
      * @returns {$rootScope.roundData.coderRooms|*} the room list
      */
     $scope.getRoomsList = function (contest) {
+      var rooms = [];
+      for (var i = 1; i < 75; i++) rooms.push({roomID : i, roomType : 2, roomTitle : "Room "+i, roundID : 1000000, divisionID : 2, $$hashKey : "0"+i});
+      return rooms;
         if (contest) {
             return contest.coderRooms;
         }
```