Kill trailing whitespace in ruby files

app/controllers/application_controller.rb

@@ -6,14 +6,14 @@ class ApplicationController < ActionController::Base
   before_filter :set_title
   before_filter :set_started_at_session
   layout "default"
-  
+
   rescue_from User::PrivilegeError, :with => :access_denied
   rescue_from Danbooru::Paginator::PaginationError, :with => :render_pagination_limit
 
 protected
   def rescue_exception(exception)
     @exception = exception
-    
+
     if exception.is_a?(::ActiveRecord::StatementInvalid) && exception.to_s =~ /statement timeout/
       @exception = nil
       @error_message = "The database timed out running your query."
@@ -26,17 +26,17 @@ protected
       render :template => "static/error", :status => 500
     end
   end
-  
+
   def render_pagination_limit
     @error_message = "You can only view up to #{Danbooru.config.max_numbered_pages} pages. Please narrow your search terms."
     render :template => "static/error", :status => 410
   end
-  
+
   def access_denied
     previous_url = params[:url] || request.fullpath
 
     respond_to do |fmt|
-      fmt.html do 
+      fmt.html do
         if request.get?
           redirect_to new_session_path(:url => previous_url), :notice => "Access denied"
         else
@@ -56,18 +56,18 @@ protected
     session_loader = SessionLoader.new(session, cookies, request)
     session_loader.load
   end
-  
+
   def reset_current_user
     CurrentUser.user = nil
     CurrentUser.ip_addr = nil
   end
-  
+
   def set_started_at_session
     if session[:started_at].blank?
       session[:started_at] = Time.now
     end
   end
-  
+
   %w(member banned privileged platinum contributor janitor moderator admin).each do |level|
     define_method("#{level}_only") do
       if CurrentUser.user.__send__("is_#{level}?")
@@ -78,7 +78,7 @@ protected
       end
     end
   end
-  
+
   def set_title
     @page_title = Danbooru.config.app_name + "/#{params[:controller]}"
   end