install gulp to process code

node_modules/arr-diff/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014-2015 Jon Schlinkert.
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.

node_modules/arr-diff/README.md

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+# arr-diff [![NPM version](https://badge.fury.io/js/arr-diff.svg)](http://badge.fury.io/js/arr-diff)  [![Build Status](https://travis-ci.org/jonschlinkert/arr-diff.svg)](https://travis-ci.org/jonschlinkert/arr-diff)
+
+> Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.
+
+## Install
+
+Install with [npm](https://www.npmjs.com/)
+
+```sh
+$ npm i arr-diff --save
+```
+
+Install with [bower](http://bower.io/)
+
+```sh
+$ bower install arr-diff --save
+```
+
+## API
+
+### [diff](index.js#L33)
+
+Return the difference between the first array and additional arrays.
+
+**Params**
+
+* `a` **{Array}**
+* `b` **{Array}**
+* `returns` **{Array}**
+
+**Example**
+
+```js
+var diff = require('arr-diff');
+
+var a = ['a', 'b', 'c', 'd'];
+var b = ['b', 'c'];
+
+console.log(diff(a, b))
+//=> ['a', 'd']
+```
+
+## Related projects
+
+* [arr-flatten](https://www.npmjs.com/package/arr-flatten): Recursively flatten an array or arrays. This is the fastest implementation of array flatten. | [homepage](https://github.com/jonschlinkert/arr-flatten)
+* [array-filter](https://www.npmjs.com/package/array-filter): Array#filter for older browsers. | [homepage](https://github.com/juliangruber/array-filter)
+* [array-intersection](https://www.npmjs.com/package/array-intersection): Return an array with the unique values present in _all_ given arrays using strict equality… [more](https://www.npmjs.com/package/array-intersection) | [homepage](https://github.com/jonschlinkert/array-intersection)
+
+## Running tests
+
+Install dev dependencies:
+
+```sh
+$ npm i -d && npm test
+```
+
+## Contributing
+
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/arr-diff/issues/new).
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
+
+## License
+
+Copyright © 2015 Jon Schlinkert
+Released under the MIT license.
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on August 23, 2015._

node_modules/arr-diff/index.js

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+/*!
+ * arr-diff <https://github.com/jonschlinkert/arr-diff>
+ *
+ * Copyright (c) 2014 Jon Schlinkert, contributors.
+ * Licensed under the MIT License
+ */
+
+'use strict';
+
+var flatten = require('arr-flatten');
+var slice = require('array-slice');
+
+/**
+ * Return the difference between the first array and
+ * additional arrays.
+ *
+ * ```js
+ * var diff = require('{%= name %}');
+ *
+ * var a = ['a', 'b', 'c', 'd'];
+ * var b = ['b', 'c'];
+ *
+ * console.log(diff(a, b))
+ * //=> ['a', 'd']
+ * ```
+ *
+ * @param  {Array} `a`
+ * @param  {Array} `b`
+ * @return {Array}
+ * @api public
+ */
+
+function diff(arr, arrays) {
+  var argsLen = arguments.length;
+  var len = arr.length, i = -1;
+  var res = [], arrays;
+
+  if (argsLen === 1) {
+    return arr;
+  }
+
+  if (argsLen > 2) {
+    arrays = flatten(slice(arguments, 1));
+  }
+
+  while (++i < len) {
+    if (!~arrays.indexOf(arr[i])) {
+      res.push(arr[i]);
+    }
+  }
+  return res;
+}
+
+/**
+ * Expose `diff`
+ */
+
+module.exports = diff;

node_modules/arr-diff/node_modules/array-slice/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2015, Jon Schlinkert.Copyright (c) 2012-2015, The Dojo Foundation.copyright (c) 2009-2015, Jeremy Ashkenas.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

node_modules/arr-diff/node_modules/array-slice/README.md

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+# array-slice [![NPM version](https://badge.fury.io/js/array-slice.svg)](http://badge.fury.io/js/array-slice)  [![Build Status](https://travis-ci.org/jonschlinkert/array-slice.svg)](https://travis-ci.org/jonschlinkert/array-slice) 
+
+> Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index.
+
+This function is used instead of `Array#slice` to support node lists in IE < 9 and to ensure dense arrays are returned.
+
+## Install with [npm](npmjs.org)
+
+```bash
+npm i array-slice --save
+```
+
+## Usage
+
+```js
+var slice = require('array-slice');
+var arr = ['a', 'b', 'd', 'e', 'f', 'g', 'h', 'i', 'j'];
+
+slice(arr, 3, 6);
+//=> ['e', 'f', 'g']
+```
+
+## Useful array utils
+ * [arr-diff](https://github.com/jonschlinkert/arr-diff): Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.
+ * [arr-filter](https://github.com/jonschlinkert/arr-filter): Faster alternative to javascript's native filter method.
+ * [arr-flatten](https://github.com/jonschlinkert/arr-flatten): Recursively flatten an array or arrays. This is the fastest implementation of array flatten.
+ * [arr-union](https://github.com/jonschlinkert/arr-union): Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.
+ * [array-unique](https://github.com/jonschlinkert/array-unique): Return an array free of duplicate values. Fastest ES5 implementation.
+ * [array-intersection](https://github.com/jonschlinkert/array-intersection): Return an array with the unique values present in _all_ given arrays using strict equality for comparisons.
+
+## Running tests
+Install dev dependencies:
+
+```bash
+npm i -d && npm test
+```
+
+## Contributing
+Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/array-slice/issues)
+
+## Author
+
+**Jon Schlinkert**
+
++ [github/jonschlinkert](https://github.com/jonschlinkert)
++ [twitter/jonschlinkert](http://twitter.com/jonschlinkert) 
+
+## License
+Copyright (c) 2015 Jon Schlinkert  
+Released under the MIT license
+
+***
+
+_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on April 07, 2015._

node_modules/arr-diff/node_modules/array-slice/index.js

@@ -0,0 +1,36 @@
+/*!
+ * array-slice <https://github.com/jonschlinkert/array-slice>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function slice(arr, start, end) {
+  var len = arr.length >>> 0;
+  var range = [];
+
+  start = idx(arr, start);
+  end = idx(arr, end, len);
+
+  while (start < end) {
+    range.push(arr[start++]);
+  }
+  return range;
+};
+
+
+function idx(arr, pos, end) {
+  var len = arr.length >>> 0;
+
+  if (pos == null) {
+    pos = end || 0;
+  } else if (pos < 0) {
+    pos = Math.max(len + pos, 0);
+  } else {
+    pos = Math.min(pos, len);
+  }
+
+  return pos;
+}

node_modules/arr-diff/node_modules/array-slice/package.json

@@ -0,0 +1,43 @@
+{
+  "name": "array-slice",
+  "description": "Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index.",
+  "version": "0.2.3",
+  "homepage": "https://github.com/jonschlinkert/array-slice",
+  "author": {
+    "name": "Jon Schlinkert",
+    "url": "https://github.com/jonschlinkert"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jonschlinkert/array-slice.git"
+  },
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/array-slice/issues"
+  },
+  "license": {
+    "type": "MIT",
+    "url": "https://github.com/jonschlinkert/array-slice/blob/master/LICENSE"
+  },
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "devDependencies": {
+    "mocha": "*",
+    "should": "^5.2.0"
+  },
+  "keywords": [
+    "array",
+    "javascript",
+    "js",
+    "slice",
+    "util",
+    "utils"
+  ]
+}

node_modules/arr-diff/package.json

@@ -0,0 +1,52 @@
+{
+  "name": "arr-diff",
+  "description": "Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.",
+  "version": "1.1.0",
+  "homepage": "https://github.com/jonschlinkert/arr-diff",
+  "author": {
+    "name": "Jon Schlinkert",
+    "url": "https://github.com/jonschlinkert"
+  },
+  "repository": "jonschlinkert/arr-diff",
+  "bugs": {
+    "url": "https://github.com/jonschlinkert/arr-diff/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ],
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "dependencies": {
+    "arr-flatten": "^1.0.1",
+    "array-slice": "^0.2.3"
+  },
+  "devDependencies": {
+    "array-differ": "^1.0.0",
+    "benchmarked": "^0.1.4",
+    "chalk": "^1.1.1",
+    "mocha": "^2.2.5",
+    "should": "^7.0.4"
+  },
+  "keywords": [
+    "arr",
+    "array",
+    "diff",
+    "differ",
+    "difference"
+  ],
+  "verb": {
+    "related": {
+      "list": [
+        "arr-flatten",
+        "array-filter",
+        "array-intersection"
+      ]
+    }
+  }
+}