Renamed Scss, CSS, JavaScript and Coffescript directory.
Changed main CSS and JavaScript filename.

* itr0-blog => application
* application-head for including JavaScript in html head element.
Use Bower for Foundation and Font Awesome.

* Add Foundation scss dir to Sprockets load path.
* Add Font Awesome scss and font dir to Sprockets load path.
Update dependencies.

* Foundation: same MINOR version -> same MAJOR version (Foundation 5)
* Normalize.css: same MINOR version -> Greter than 3.0.1
* Font Awesome: same MINOR version -> same MAJOR version (Font Awesome 4)
Make Ready for MVCSS style structured CSS.