Fixed Animation + Added UIActivityIndicatorView option


![iOS Simulator Screen shot Mar 18 2013 5 47 54 PM](https://f.cloud.github.com/assets/229990/269732/d58f9c36-8fa9-11e2-8cc8-3897605898c5.png)
The implementation is a little sloppy, but should do the work.

Added fade-in animation when the statusbar is appearing back again.

Also, you can choose to have a UIActivityIndicatorView next to the message.