Implement coffeescript

[mirontoli]

sudo npm install -g coffee-script
sudo npm install grunt-contrib-coffee --save-dev

grunt task

coffee: {
  compile: {
    files: {
      '<%= local.app %>/scripts/try.js': '<%= local.app %>/scripts/try.coffee', 
    }
  },
},

Todo

• build task for a specific file (done)
• build task (*.coffee)
• watch and livereload
• coffee lint