Chore: Update repository

- Add `CHANGELOG.md`
- Update `.gitignore`
- Update license year
- Update dependencies
- Add lock files
- Add _npm_ badge
- Mention `gulp-babel@next`
- Capitalize project files (`README.md`, `LICENSE.md`)

.gitignore

@@ -1 +1,27 @@
+###############################################################################
+# Dependencies                                                                #
+###############################################################################
 node_modules
+
+###############################################################################
+# Temporary files                                                             #
+###############################################################################
+*.log
+*.tmp
+tmp/
+logs/
+
+###############################################################################
+# Editor files                                                                #
+###############################################################################
+# JetBrains (Webstorm, IntelliJ IDEA, ...)
+.idea/
+*.iml
+
+###############################################################################
+# Other                                                                       #
+###############################################################################
+# Runtime data
+pids
+*.pid
+*.seed

CHANGELOG.md

@@ -0,0 +1,23 @@
+# Next
+
+- **[Fix]** Drop dependency on deprecated `gulp-util` ([#137](https://github.com/babel/gulp-babel/pull/137))
+- **[Chore]** Update repository: add `CHANGELOG.md`, update `.gitignore`, license year, update dependencies,
+              add lock files, add _npm_ badge, mention `gulp-babel@next`.
+
+# 8.0.0-beta.0 (2017-10-30)
+
+- **[Breaking change]** Make `@babel/core` a peer dependency
+
+# 7.0.0 (2017-08-06)
+
+- **[Breaking change]** Make `babel-core` a peer dependency
+
+# 7.0.0-alpha.18 (2017-08-04)
+
+- **[Breaking change]** Update to `[email protected]` ([#112](https://github.com/babel/gulp-babel/pull/112))
+- **[Chore]** Replace usage of `ES6` by `ES2015`
+- **[Documentation]** Update `README.md`: update samples, fix link to issue tracker
+
+# 6.1.2 (2016-01-31)
+
+- **[Fix]** Do not add `.js` extension to files without extension ([#74](https://github.com/babel/gulp-babel/pull/74))

license → LICENSE.md

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) Sindre Sorhus <[email protected]> (sindresorhus.com)
+Copyright © 2014-2018 Sindre Sorhus <[email protected]> (sindresorhus.com)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -9,13 +9,13 @@ 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 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.
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

readme.md → README.md

@@ -1,4 +1,4 @@
-# gulp-babel [![Build Status](https://travis-ci.org/babel/gulp-babel.svg?branch=master)](https://travis-ci.org/babel/gulp-babel)
+# gulp-babel [![npm](https://img.shields.io/npm/v/gulp-babel.svg?maxAge=2592000)](https://www.npmjs.com/package/gulp-babel) [![Build Status](https://travis-ci.org/babel/gulp-babel.svg?branch=master)](https://travis-ci.org/babel/gulp-babel)
 
 > Use next generation JavaScript, today, with [Babel](https://babeljs.io)
 
@@ -11,6 +11,7 @@
 $ npm install --save-dev gulp-babel @babel/core @babel/preset-env
 ```
 
+Install `gulp-babel@next` if you want to get the pre-release of the next version of `gulp-babel`.
 
 ## Usage