Grunt: Concencated files of CSS and JS.

**New Dependencies**
- Grunt (Javascript runtime) added.
- Applicaiton now set to use concated minified files.

**New Files**
- Gruntfile.js.
- package.json.
Updated README.md with new dependencies.
Merge pull request #17 from Demenza/development

Grunt: Concencated files of CSS and JS.