Fix rubocop warnings

app/controllers/application_controller.rb

@@ -448,6 +448,5 @@ class ApplicationController < ActionController::Base
   end
 
   # override to stop oauth plugin sending errors
-  def invalid_oauth_response
-  end
+  def invalid_oauth_response; end
 end

app/controllers/export_controller.rb

@@ -22,6 +22,5 @@ class ExportController < ApplicationController
     end
   end
 
-  def embed
-  end
+  def embed; end
 end

app/controllers/redactions_controller.rb

@@ -32,11 +32,9 @@ class RedactionsController < ApplicationController
     end
   end
 
-  def show
-  end
+  def show; end
 
-  def edit
-  end
+  def edit; end
 
   def update
     # note - don't update the user ID

app/controllers/site_controller.rb

@@ -95,20 +95,15 @@ class SiteController < ApplicationController
     @locale = params[:copyright_locale] || I18n.locale
   end
 
-  def welcome
-  end
+  def welcome; end
 
-  def help
-  end
+  def help; end
 
-  def about
-  end
+  def about; end
 
-  def export
-  end
+  def export; end
 
-  def offline
-  end
+  def offline; end
 
   def preview
     render :text => RichText.new(params[:format], params[:text]).to_html

db/migrate/20150111192335_subscribe_old_changesets.rb

@@ -5,6 +5,5 @@ class SubscribeOldChangesets < ActiveRecord::Migration
     end
   end
 
-  def down
-  end
+  def down; end
 end

db/migrate/20161011010929_subscribe_authors_to_diary_entries.rb

@@ -5,6 +5,5 @@ class SubscribeAuthorsToDiaryEntries < ActiveRecord::Migration
     end
   end
 
-  def down
-  end
+  def down; end
 end

test/helpers/application_helper_test.rb

@@ -183,9 +183,7 @@ class ApplicationHelperTest < ActionView::TestCase
     assert_match %r{^<span title=".*">4 months</span>$}, date
   end
 
-  def test_body_class
-  end
+  def test_body_class; end
 
-  def test_current_page_class
-  end
+  def test_current_page_class; end
 end