Rewrite the build process in Grunt 1.x, use jQuery & QUnit from npm

Also, update the QUnit syntax to the new API not relying on globals.

Closes #16

Author: mgol

.jshintignore

@@ -0,0 +1,2 @@
+dist/**
+node_modules/**

.jshintrc

@@ -0,0 +1,5 @@
+{
+	"extends": ".jshintrc-common",
+
+	"node": true
+}

.jshintrc-common

@@ -0,0 +1,12 @@
+{
+	"boss": true,
+	"curly": true,
+	"eqeqeq": true,
+	"eqnull": true,
+	"expr": true,
+	"immed": true,
+	"noarg": true,
+	"quotmark": "double",
+	"undef": true,
+	"unused": true
+}

.npmrc

@@ -0,0 +1 @@
+save-exact=true

Gruntfile.js

@@ -0,0 +1,70 @@
+"use strict";
+
+module.exports = function( grunt ) {
+
+	// Project configuration.
+	grunt.initConfig( {
+		pkg: grunt.file.readJSON( "package.json" ),
+		replace: {
+			all: {
+				src: [ "src/<%= pkg.name %>.js" ],
+				dest: "dist/",
+				replacements: [
+					{
+						from: "@VERSION",
+						to: "<%= pkg.version %>"
+					},
+					{
+						from: "@YEAR",
+						to: "<%= grunt.template.today('yyyy') %>"
+					}
+				]
+			},
+		},
+		qunit: {
+			all: [ "test/**/*.html" ]
+		},
+		jshint: {
+			all: {
+				src: [ "Gruntfile.js", "src/**/*.js", "test/**/*.js" ]
+			},
+			options: {
+				jshintrc: true
+			}
+		},
+		watch: {
+			files: [ "<%= jshint.all.src %>" ],
+			tasks: [ "lint", "qunit" ]
+		},
+		uglify: {
+			all: {
+				files: {
+					"dist/<%= pkg.name %>.min.js": "dist/<%= pkg.name %>.js"
+				}
+			},
+			options: {
+				preserveComments: false,
+				sourceMap: true,
+				ASCIIOnly: true,
+				sourceMapName:
+					"dist/<%= pkg.name %>.min.map",
+				report: "min",
+				beautify: {
+					"ascii_only": true
+				},
+				banner: "/*! jQuery requestAnimationFrame - <%= pkg.version %> - " +
+					"<%= grunt.template.today('yyyy-mm-dd') %>\n" +
+					"<%= pkg.homepage ? '* ' + pkg.homepage + '\\n' : '' %>" +
+					 " * Copyright (c) <%= grunt.template.today('yyyy') %> " +
+					"<%= pkg.author.name %>; Licensed <%= pkg.license %> */"
+			}
+		}
+	} );
+
+	// Load grunt tasks from NPM packages
+	require( "load-grunt-tasks" )( grunt );
+
+	// Default task.
+	grunt.registerTask( "default", [ "jshint", "qunit", "replace", "uglify" ] );
+
+};

dist/jquery.requestAnimationFrame.js

@@ -1,23 +1,31 @@
-/*! jQuery requestAnimationFrame - v0.1.3pre - 2016-02-03
-* https://github.com/gnarf37/jquery-requestAnimationFrame
-* Copyright (c) 2016 Corey Frang; Licensed MIT */
+/*!
+ * jquery.requestAnimationFrame - 0.1.3-pre
+ * https://github.com/gnarf37/jquery-requestAnimationFrame
+ * Requires jQuery 1.8+
+ *
+ * Copyright (c) 2016 Corey Frang
+ * Licensed under the MIT license.
+ */
+ // UMD factory https://github.com/umdjs/umd/blob/master/jqueryPlugin.js
+( function ( factory ) {
+	if ( typeof define === "function" && define.amd ) {
 
-// UMD factory https://github.com/umdjs/umd/blob/master/jqueryPlugin.js
-(function (factory) {
-	if (typeof define === 'function' && define.amd) {
 		// AMD. Register as an anonymous module.
-		define(['jquery'], factory);
+		define( [ "jquery" ], factory );
 	} else {
+
 		// Browser globals
-		factory(jQuery);
+		factory( jQuery );
 	}
-}(function (jQuery) {
-
-// requestAnimationFrame polyfill adapted from Erik Möller
-// fixes from Paul Irish and Tino Zijdel
-// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
-// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
+}( function ( jQuery ) {
 
+if ( Number( jQuery.fn.jquery.split( "." )[ 0 ] ) >= 3 ) {
+	if ( window.console && window.console.warn ) {
+		window.console.warn( "The jquery.requestAnimationFrame plugin is not needed " +
+			"in jQuery 3.0 or newer as they handle it natively." );
+	}
+	return;
+}
 
 var animating;
 
@@ -41,4 +49,4 @@ if ( window.requestAnimationFrame ) {
 	};
 }
 
-}));
+} ) );