Compiled & minified appbanner.js

For obvious performance reasons, all the more so on mobile, all JS should be compiled and minified.

Google Closure Compiler was used here, and may be integrated into any kind of automated build process before distribution of the plugin package.

![closure](https://cloud.githubusercontent.com/assets/6901783/3715676/86980522-15f0-11e4-916e-9febe0bbf685.png)