Whitespace cleanup

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

plugins/openvz/openvz-load-avg

@@ -1,12 +1,12 @@
 #!/usr/bin/perl
-# 
+#
 # Copyright (c) 2008, Maxime Besson
 # Copyright (c) 2011, David Bernard
-# 
+#
 # Permission to use, copy, modify, and/or distribute this software for any
 # purpose with or without fee is hereby granted, provided that the above
 # copyright notice and this permission notice appear in all copies.
-# 
+#
 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
@@ -15,7 +15,7 @@
 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #
-# 
+#
 # Graph VE load averages on an OpenVZ server
 #
 # This plugin needs root privileges to call vzlist, so add this :
@@ -62,7 +62,7 @@ if ( $arg eq "autoconf" ) {
 	# Dynamic config
 	my @result=`/usr/sbin/vzlist -H -a -s veid -o veid,name`;
 	my $A=0; # draw an area only under the first line
-        
+
 	for (@result ) {
 		( my $veid,my $label ) = /^\s*(\d+)\s*([\w\-]+)\s*$/ ;
 		my $name = $label;

plugins/openvz/vpsmem

@@ -2,7 +2,7 @@
 #
 # Monitors memory usage in openVZ or Virtuozzo
 # based on http://www.huschi.net/archiv/speicher-anzeigen-mit-vzfree.html
-# Author: Michael Richter, http://osor.de/ 
+# Author: Michael Richter, http://osor.de/
 # Cleaned up and translated to english by: Marian Sigler <m@qjym.de>, 2010-08-13
 #
 #%# capabilities=autoconf