added missing png files back (must have been lost in the py2 to py3 conversion process)

httpupload/httpupload.py

@@ -127,7 +127,6 @@ class HttpuploadPlugin(GajimPlugin):
             # maybe don't delete this and detect vanished upload components when actually trying to upload something
             log.info("Deleting %s from jid_to_servers (disconnected)" % gajim.get_jid_from_account(chat_control.account))
             del jid_to_servers[gajim.get_jid_from_account(chat_control.account)]
-            #pass
 
         # query info at most every 60 seconds in case something goes wrong
         if ((not chat_control.account in last_info_query or

httpupload/manifest.ini

@@ -1,7 +1,7 @@
 [info]
 name: HttpUpload
 short_name: httpupload
-version: 0.5.0
+version: 0.5.1
 description: This plugin is designed to send a file to a contact or muc by using httpupload.<br/>
  Your server must support <a href="http://xmpp.org/extensions/xep-0363.html">XEP-0363: HTTP Upload</a>.<br/>
  Conversations supported this.<br/>