Update messaging screenshot to latest version

content/manual.md

@@ -56,7 +56,7 @@ Your devices will exchange information, and after a few seconds you'll be added
 
 ## Messaging ##
 
-<img src="assets/img/conversation-cropped.png" alt="A private messaging conversation">
+<img src="assets/img/manual_messaging-cropped.png" alt="A private messaging conversation">
 
 To send a private message, tap a contact's name in the contact list.
 

crop-screenshots.py

@@ -9,6 +9,7 @@ POSTFIX = '-cropped'
 
 
 def main():
+    crop('manual_messaging.png', 50)
     crop('introduction-5.png', 77, 47)
     crop('manage-rss-feeds-2.png', 35)
     crop('manual_dark_theme_settings.png', 45)