Bower

# Hi Alex
I'm sending pull request for the work I've done on pViz. It should be backward compatible with the way it was build before. It contains Node Package Manager dependencies in package.json, Bower dependencies in bower.json and Grunt configuration in Gruntfile.js. I also changed jQuery reference name from 'JQuery' to lower case 'jquery' to make it default recognized by Bower. More details can be found in docs. I will try to describe there briefly configured Grunt tasks and how to work with Bower: https://sites.google.com/a/gene.com/gred-development-details/development-details/js-management/pviz-with-bower

Let me know if you decide to merge this to upstream repo.

Cheers!
Damian