Move to an actually maintained gh-pages package

The previous one hasn't been updated in quite a while and has a few very
annoying bugs as well. This should fix that.

generators/gulp/index.js

@@ -79,7 +79,7 @@ module.exports = generators.Base.extend({
       }
 
       if (this.options.uploading === 'Github Pages') {
-        pkg.devDependencies['gulp-gh-pages'] = '^0.5.2';
+        pkg.devDependencies['gh-pages'] = '^0.11.0';
       }
 
       this.fs.writeJSON(this.destinationPath('package.json'), pkg);

generators/gulp/templates/tasks/uploading.js

@@ -43,12 +43,16 @@ gulp.task('upload', () => {
 });
 <% } -%><% if (ghpages) { -%>
 const gulp = require('gulp');
-const ghPages = require('gulp-gh-pages');
+const path = require('path');
+const ghPages = require('gh-pages');
 
 // 'gulp deploy' -- pushes your dist folder to Github
-gulp.task('upload', () => {
-  return gulp.src('dist/**/*', {dot: true})
-    .pipe(ghPages());
+gulp.task('upload', (done) => {
+  ghPages.publish(path.join(__dirname + '/../../', 'dist'), {
+    dotfiles: true,
+    // branch: "master"
+	},
+	done);
 });
 <% } -%>
 <% if (noUpload) { -%>

test/gulp/uploading/ghpages.js

@@ -28,7 +28,7 @@ test('does not create credentials files', () => {
 test('contain correct uploading packages', () => {
   assert.jsonFileContent('package.json', {
     devDependencies: {
-      'gulp-gh-pages': '^0.5.2'
+      'gh-pages': '^0.11.0'
     }
   });
 });