Updating Example To Work With HTML5 data-attributes

- In an effort to accomplish what we set out to do on #13, this commit
  is an updated version of the example application used to test the new
  coltJS library.
Update ColtJS to use HTML5 data-attributes

- Add new way to bind to views using HTML5 data-attributes.
- Add new method called foreEachEl which helps execute a callback
  function on each of the view elements. #13