gistfile1.js

    browserify: {
      lib: {
        src: ['client/lib/*.js'],
        dest: 'client/build/lib.js',
        options: {
          shim: {
            jquery: {
              path: 'client/lib/jquery-1.11.0.js',
              exports: '$'
            },
            'jquery.mobile': {
              path: 'client/lib/jquery.mobile-configured.js',
              exports: null,
              depends: {
                jquery: '$'
              }
            },
            underscore: {
              path: 'client/lib/underscore.js',
              exports: '_'
            },
            backbone: {
              path: 'client/lib/backbone.js',
              exports: 'Backbone',
              depends: {
                underscore: 'underscore',
                jquery: '$'
              }
            },
            'backbone-nested': {
                path: 'client/lib/backbone-nested.js',
                exports: null,
                depends: {
                    jquery: '$',
                    backbone: 'Backbone',
                    underscore: '_'
              }
            }
          }
        }
      },
      app: {
        files: {
          'client/build/app.js': ['client/app/**.js']
        },
        options: {
          transform: ['node-underscorify'],
          external: ['jquery', 'underscore', 'backbone']
        }