added smoothProgressBar as dependency

Bar similar to Google Now, replaces progressDialog. Can add animation to show and hide Last Updated if needed.  
![screenshot_2014-08-12-17-22-14](https://cloud.githubusercontent.com/assets/5211568/3889974/1a05d02c-2218-11e4-8d54-3fd7d84b64d1.png)
![screenshot_2014-08-12-17-24-34](https://cloud.githubusercontent.com/assets/5211568/3889973/19f7fc9a-2218-11e4-9f83-53d0964b95c2.png)