remove trailing whitespace

CHANGELOG

@@ -29,14 +29,14 @@
 20 February 2012: mitmproxy 0.7:
 
     * New built-in key/value editor. This lets you interactively edit URL query
-      strings, headers and URL-encoded form data. 
+      strings, headers and URL-encoded form data.
 
     * Extend script API to allow duplication and replay of flows.
-    
+
     * API for easy manipulation of URL-encoded forms and query strings.
-    
+
     * Add "D" shortcut in mitmproxy to duplicate a flow.
-    
+
     * Reverse proxy mode. In this mode mitmproxy acts as an HTTP server,
       forwarding all traffic to a specified upstream server.
 
@@ -44,13 +44,13 @@
       improve spacing and layout throughout.
 
     * Add support for filtering by HTTP method.
-   
+
     * Add the ability to specify an HTTP body size limit.
-    
+
     * Move to typed netstrings for serialization format - this makes 0.7
       backwards-incompatible with serialized data from 0.6!
 
-    * Significant improvements in speed and responsiveness of UI. 
+    * Significant improvements in speed and responsiveness of UI.
 
     * Many minor bugfixes and improvements.
 
@@ -115,14 +115,14 @@
       100% of CPU.
 
 
-30 March 2011: mitmproxy 0.4 
+30 March 2011: mitmproxy 0.4
 
     * Full serialization of HTTP conversations
-    
+
     * Client and server replay
-    
+
     * On-the-fly generation of dummy SSL certificates
-   
+
     * mitmdump has "grown up" into a powerful tcpdump-like tool for HTTP/S
 
     * Dozens of improvements to the mitmproxy console interface
@@ -130,22 +130,22 @@
     * Python scripting hooks for programmatic modification of traffic
 
 
-1 March 2010: mitmproxy 0.2 
+1 March 2010: mitmproxy 0.2
 
     * Big speed and responsiveness improvements, thanks to Thomas Roth
-    
+
     * Support urwid 0.9.9
-    
+
     * Terminal beeping based on filter expressions
-    
+
     * Filter expressions for terminal beeps, limits, interceptions and sticky
       cookies can now be passed on the command line.
 
     * Save requests and responses to file
-    
+
     * Split off non-interactive dump functionality into a new tool called
       mitmdump
-    
+
     * "A" will now accept all intercepted connections
-    
+
     * Lots of bugfixes