Fix #57 and #39.

Implements feature requested in [#57](https://github.com/CloudyKangaroo/cloudykangaroo/issues/57) and enhacement in [#39](https://github.com/CloudyKangaroo/cloudykangaroo/issues/39).

* Added fnReloadAjax and 30 second auto refresh on events page. 
* Added dropdown for selecting refresh interval. 
* Adjusted template to allow for multiple dropdowns. 
* Updated silenceCheck and unsilenceCheck to use fnReloadAjax() instead of location.reload()