Converted Gruntfile from js to coffee.

Also:

* Added `bare:true` option for coffee compilation to get rid of
  double-wrapped code.

* Added wrapper to qunit_setup and DI'd the window object.

Author: coderifous

Gruntfile.coffee

@@ -0,0 +1,77 @@
+"use strict"
+module.exports = (grunt) ->
+
+  # Project configuration.
+  grunt.initConfig
+
+    # Metadata.
+    pkg: grunt.file.readJSON("localize.jquery.json")
+    banner: """
+      /*! <%= pkg.title || pkg.name %> - v<%= pkg.version %> - <%= grunt.template.today(\"yyyy-mm-dd\") %>
+       <%= pkg.homepage ? "* " + pkg.homepage : "" %>
+       * Copyright (c) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %>; Licensed <%= _.pluck(pkg.licenses, "type").join(", ") %> */
+
+    """
+
+    # Task configuration.
+    clean:
+      files: ["dist"]
+
+    coffee:
+      options:
+        bare: true
+      compile:
+        files:
+          "dist/<%= pkg.name %>.js": "src/*.coffee"
+          "test/localize_test.js": "test/localize_test.coffee"
+          "test/qunit_setup.js": "test/qunit_setup.coffee"
+
+    uglify:
+      options:
+        banner: "<%= banner %>"
+
+      dist:
+        src: "dist/<%= pkg.name %>.js"
+        dest: "dist/<%= pkg.name %>.min.js"
+
+    qunit:
+      all:
+        options:
+          urls: [
+            "1.7.2"
+            "1.8.3"
+            "1.9.1"
+            "1.10.2"
+            "1.11.0"
+            "2.0.3"
+            "2.1.0"
+          ].map((version) ->
+            "http://localhost:<%= connect.server.options.port %>/test/localize.html?jquery=" + version
+          )
+
+    connect:
+      server:
+        options:
+          port: 8085 # This is a random port, feel free to change it.
+
+  # These plugins provide necessary tasks.
+  grunt.loadNpmTasks "grunt-contrib-clean"
+  grunt.loadNpmTasks "grunt-contrib-uglify"
+  grunt.loadNpmTasks "grunt-contrib-qunit"
+  grunt.loadNpmTasks "grunt-contrib-coffee"
+  grunt.loadNpmTasks "grunt-contrib-connect"
+
+  # Default task.
+  grunt.registerTask "default", [
+    "connect"
+    "clean"
+    "coffee"
+    "uglify"
+    "qunit"
+  ]
+
+  grunt.registerTask "test", [
+    "connect"
+    "qunit"
+  ]
+  return