Recursive loop never ends when number of downloads is too low

[bartaelterman]

Check this page: http://www.gbif.org/dataset/3c428404-893c-44da-bb4a-6c19d8fb676a/activity

The dataset has only 4 download events (at the time of writing). The JavaScript code keeps on polling the server for more download events, but there are too few. This results in an endless loop of HTTP requests to the GBIF server. (check the network tab of your chrome developer tools and refresh the page to see all requests getting fired)