Merge pull request #1 from alexef/master

Small changes
Edit app.js slider object

replace this with parent where appropriate
Attempt to install Grunt

Added package.json and ran npm install - cannot see a grunt file.js
though
Added Build / Gruntfile / Handlebars

Also edited homepage but not working.
Index.html - edit - corrected "
Use the correct link to the js
Use handlebars from slack, v1.3.0, not the latest