Run rubocop --fix-layout and remove encoding comments

db/migrate/004_create_article_meta.rb

@@ -2,28 +2,27 @@ class CreateArticleMeta < ActiveRecord::Migration[4.2]
   CATEGORY_SAMPLE = 'Sample Category'
   TAX_STANDARD = 'Standard'
   TAX_REDUCED = 'Reduced'
-  
+
   def self.up
     # Add user roles...
-    add_column :groups, :role_article_meta, :boolean, :default => false, :null => false    
+    add_column :groups, :role_article_meta, :boolean, :default => false, :null => false
     Group.reset_column_information
     puts "Give #{CreateGroups::GROUP_ADMIN} the role article_meta .."
     raise "Failed" unless Group.find_by_name(CreateGroups::GROUP_ADMIN).update_attribute(:role_article_meta, true)
     raise 'Cannot find admin user!' unless admin = User.find_by_nick(CreateUsers::USER_ADMIN)
     raise 'Failed to enable role_article_meta with admin user!' unless admin.role_article_meta?
-    
+
     # ArticleCategories
     create_table :article_categories do |t|
       t.column :name, :string, :null => false
       t.column :description, :string
     end
     add_index(:article_categories, :name, :unique => true)
-    
+
     # Create sample category...
     puts "Creating sample article category '#{CATEGORY_SAMPLE}'..."
     ArticleCategory.create(:name => CATEGORY_SAMPLE, :description => "This is just a sample article category.")
-    raise "Failed!" unless category = ArticleCategory.find_by_name(CATEGORY_SAMPLE)        
-           
+    raise "Failed!" unless category = ArticleCategory.find_by_name(CATEGORY_SAMPLE)
   end
 
   def self.down