Animated Loading Images added

Tired of waiting and wondering if the Temporal Pattern Miner tool is
running or not? Do you wish to see some movement on the webpage while
waiting. Your wishes have been granted. Say hello to our latest
addition: Animated loading images that appear in all AJAX placeholders
whenever the server takes too long to process and return results. Enjoy!
To enjoy your power, go to the Temporal Pattern Miner tab, select the
ECG dataset and click the run button.