Whitespace cleanup

* remove trailing whitespace
* remove empty lines at the end of files

plugins/http/mongrel_memory

@@ -4,26 +4,26 @@
 # Copyright (C) 2009 Matthias Marschall - mm@agileweboperations.com
 #
 # Based on:
-# mongrel_process_memory - A munin plugin to monitor memory size of 
+# mongrel_process_memory - A munin plugin to monitor memory size of
 #                          each individual mongrel process
 # Copyright (C) 2007 Ben VandenBos and Avvo, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 
+# it under the terms of the GNU General Public License version 2
 # as published by the Free Software Foundation.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License along
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # Author: Ben VandenBos
 # Contributors: Adam Jacob (<adam@hjksolutions.com>)
-#               Ryan Woodrum 
+#               Ryan Woodrum
 #               Matthias Marschall (mm@agileweboperations.com)
 #
 #%# family=auto
@@ -31,7 +31,7 @@
 
 module Munin
   class MongrelProcessMemory
-    
+
     def run
       pid_port_map = get_pids()
       port_list = Hash.new
@@ -40,7 +40,7 @@ module Munin
         puts "mongrel_#{port}.value #{rss}"
       end
     end
-    
+
     def get_pids
       h = Hash.new
       pids = []
@@ -57,10 +57,10 @@ module Munin
     def autoconf
       get_pids().length > 0
     end
-        
+
   end
 end
-  
+
 mpm = Munin::MongrelProcessMemory.new
 
 case ARGV[0]