Improvements Generic Row and Generic Field

Changes:

         underscore has beed added as a deps to resolve issues with other project having to add underscore as a dependency for Chiropractor.

Improvements:
        Added field and row handlebar helpers which now can generic dynamic or custom rows and fields on tables.
        Added grunt devserver and an example folder to show/house examples on how to use/extend Chiropractor
        functionality.

- Fixes #9