Add jquery-mousewheel v3.1.11.

assets/vendor/jquery-mousewheel/Gruntfile.js

@@ -0,0 +1,47 @@
+module.exports = function(grunt) {
+
+    // Project configuration.
+    grunt.initConfig({
+        jshint: {
+            options: {
+                jshintrc: '.jshintrc'
+            },
+            all: ['jquery.mousewheel.js']
+        },
+        uglify: {
+            options: {
+                compress: true,
+                mangle: true,
+                preserveComments: 'some',
+                report: 'gzip'
+            },
+            build: {
+                src: 'jquery.mousewheel.js',
+                dest: 'jquery.mousewheel.min.js'
+            }
+        },
+        connect: {
+            server: {
+                options: {
+                    hostname: '*',
+                    keepalive: true,
+                    middleware: function(connect, options) {
+                        return [
+                            connect.static(options.base),
+                            connect.directory(options.base)
+                        ];
+                    }
+                }
+            }
+        }
+    });
+
+    // Load the plugin that provides the 'uglify' task.
+    grunt.loadNpmTasks('grunt-contrib-jshint');
+    grunt.loadNpmTasks('grunt-contrib-uglify');
+    grunt.loadNpmTasks('grunt-contrib-connect');
+
+    // Default task(s).
+    grunt.registerTask('default', ['jshint', 'uglify']);
+
+};