Update spin.js.

assets/spin-js/Gruntfile.js

@@ -0,0 +1,67 @@
+/**
+ * Workflow to release a new version:
+ * grunt bump-only:minor
+ * grunt
+ * grunt gh-pages
+ * grunt bump-commit
+ * git push --tags
+ * npm publish
+ */
+module.exports = function(grunt) {
+
+  grunt.initConfig({
+    pkg: grunt.file.readJSON('package.json'),
+
+    copy: {
+      js: {
+        files: [
+          { src: ['spin.js', 'jquery.spin.js'], dest: 'site/' }
+        ]
+      }
+    },
+
+    uglify: {
+      options: {
+        banner: '// http://spin.js.org/#v<%= pkg.version %>\n'
+      },
+      js: {
+        files: {
+          'site/spin.min.js': ['site/spin.js'],
+          'spin.min.js': ['site/spin.min.js']
+        }
+      }
+    },
+
+    bump: {
+      options: {
+        files: ['package.json', 'component.json'],
+        updateConfigs: ['pkg'],
+        commit: true,
+        commitMessage: 'Release v%VERSION%',
+        commitFiles: ['package.json', 'component.json', 'spin.min.js'],
+        createTag: true,
+        tagName: '%VERSION%',
+        push: false
+      }
+    },
+
+    'gh-pages': {
+      release: {
+        options: {
+          base: 'site',
+          message: 'automatic commit'
+        },
+        src: '**/*'
+      }
+    }
+
+  })
+
+  grunt.loadNpmTasks('grunt-contrib-copy')
+  grunt.loadNpmTasks('grunt-contrib-uglify')
+  grunt.loadNpmTasks('grunt-bump')
+  grunt.loadNpmTasks('grunt-gh-pages')
+
+  grunt.registerTask('default', ['copy', 'uglify'])
+
+}