Compress js using Google Closure compiler (compressor)

frameworks in javascript/frameworks. packaged into compressed/frameworks (no minification done)
```
80K angular.1.0.8.min.js
13K bootstrap-2.3.2.min.js
134K d3-3.1.5.min.js
353K jquery-1.7.2.js -> can we minify?
122K prototype-1.6.0.js -> can we minify?
```
libs in javscript/lib. packaged into compressed/lib.js (~450K)
applications files in javascript/. packaged into compressed/app.js (~170K)