[Pidgin] #9476: Add support for file transfer thumbnails for XMPP

[Pidgin]

#9476: Add support for file transfer thumbnails for XMPP
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 Reporter:  malu                      |        Owner:  malu        
     Type:  enhancement               |       Status:  new         
Milestone:                            |    Component:  unclassified
  Version:  2.5.7                     |   Resolution:              
 Keywords:  file transfer thumbnails  |  
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Comment(by malu):

 This is actually implemented. The code is just disabled currently,
 awaiting the XEP to reach draft status.

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Ticket URL: <http://developer.pidgin.im/ticket/9476#comment:2>
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