Add initial package.json file

Add package.json with basic info.
Add grunt dependency

Add grunt as a devDependency in package.json.
Ignore node_modules

Add node_modules folder to .gitignore.
Add Gruntfile

Add base Gruntfile.js (no tasks yet).
Add structure to Gruntfile

Add future structure as comments to Gruntfile.js.
Merge branch 'origin/add-grunt'

Add package.json.
Add Grunt.
Add Gruntfile.js.