Here after yeoman won't trigger bower install

* The user should trigger bower install explicitly.
* Added a message after the scaffolding
    "I'm all done. Just run npm install && bower install to install the required dependencies."
Merge pull request #13 from revathskumar/bower-install-1

yeoman won't trigger bower install fix #11
Adding Modernizr to the component.json

* Fixed the link to underscore-min.js
Merge pull request #14 from revathskumar/modernizr

Adding Modernizr to the component.json