Include the LICENSE file in the dist directory

* Rename `LICENSE.md` to `LICENSE.txt` so that more text editors
  know how to open it.

* Make the build step copy the `LICENSE.txt` file in the `dist/`
  directory so that it gets included in the distribution package.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Ref https://www.youtube.com/watch?v=hWDSToC9EV8&t=15m15s
    #1655

Fix #1655
Close #1680

CHANGELOG.md

@@ -1,5 +1,7 @@
 ### HEAD
 
+* Include the `LICENSE.txt` file in the `dist/` directory
+  ([#1655](https://github.com/h5bp/html5-boilerplate/issues/1655)).
 * Remove the `visibility: hidden` declaration from `.hidden`
   ([#1663](https://github.com/h5bp/html5-boilerplate/issues/1663)).
 * Use `<meta http-equiv="x-ua-compatible" content="ie=edge">`<br>

README.md

@@ -64,3 +64,8 @@ want to write about your project.
 
 Anyone and everyone is welcome to [contribute](CONTRIBUTING.md). Hundreds of
 developers have helped make the HTML5 Boilerplate what it is today.
+
+
+## License
+
+The code is available under the [MIT license](LICENSE.txt).

dist/LICENSE.txt

@@ -0,0 +1,19 @@
+Copyright (c) HTML5 Boilerplate
+
+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.

gulpfile.js

@@ -66,6 +66,7 @@ gulp.task('copy', [
     'copy:.htaccess',
     'copy:index.html',
     'copy:jquery',
+    'copy:license',
     'copy:main.css',
     'copy:misc',
     'copy:normalize'
@@ -89,6 +90,11 @@ gulp.task('copy:jquery', function () {
                .pipe(gulp.dest(dirs.dist + '/js/vendor'));
 });
 
+gulp.task('copy:license', function () {
+    return gulp.src('LICENSE.txt')
+               .pipe(gulp.dest(dirs.dist));
+});
+
 gulp.task('copy:main.css', function () {
 
     var banner = '/*! HTML5 Boilerplate v' + pkg.version +

package.json

@@ -31,7 +31,7 @@
   "homepage": "https://html5boilerplate.com/",
   "license": {
     "type": "MIT",
-    "url": "https://github.com/h5bp/html5-boilerplate/blob/master/LICENSE.md"
+    "url": "https://github.com/h5bp/html5-boilerplate/blob/master/LICENSE.txt"
   },
   "name": "html5-boilerplate",
   "private": true,

test/file_existence.js

@@ -52,6 +52,7 @@ var expectedFilesInDistDir = [
             'js/vendor/jquery-' + pkg.devDependencies.jquery + '.min.js',
             'js/vendor/modernizr-2.8.3.min.js',
 
+    'LICENSE.txt',
     'robots.txt',
     'tile-wide.png',
     'tile.png'