Whitespace cleanup

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

plugins/other/foldingathome_activecpu

@@ -32,7 +32,7 @@ elif len(sys.argv) == 2 and sys.argv[1] == "config":
         print 'ps3.label Playstation3'
 
         print 'graph_args --base 1000 -l 0'
-else:   
+else:
         u = urllib.urlopen(url)
         soup = BeautifulSoup(u)
         u.close()