Whitespace cleanup

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

plugins/tor/tor_

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 '''
 =head1 NAME
-tor_ 
+tor_
 
 =head1 DESCRIPTION
 Wildcard plugin that gathers some metrics from the Tor deamon
@@ -149,7 +149,7 @@ class TorPlugin(object):
             print('no (failed to import the required python module "stem": {})'.format(e))
 
         try:
-            import GeoIP 
+            import GeoIP
 
         except ImportError as e:
             print('no (failed to import the required python module "GeoIP": {})'.format(e))
@@ -426,7 +426,7 @@ class TorRouters(TorPlugin):
                  'category': 'network',
                  'info': 'known Tor onion routers'}
         labels = {'routers': {'label': 'routers', 'min': 0, 'type': 'GAUGE'} }
-                 
+
 
         TorPlugin.conf_from_dict(graph, labels)
 
@@ -448,8 +448,8 @@ class TorRouters(TorPlugin):
 	        onr = 0
 		for router in routers:
 		    if router[0] == "r":
-	               onr += 1 
-                
+	               onr += 1
+
                 print('routers.value {}'.format(onr))
 
 
@@ -491,7 +491,7 @@ class TorTraffic(TorPlugin):
 
 
 ##########################
-# Main                   
+# Main
 ##########################