[Pidgin] #7670: Implement xep-0191 (simple blocking) for jabber protocols

[Pidgin]

#7670: Implement xep-0191 (simple blocking) for jabber protocols
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 Reporter:  lukatmyshu                |        Owner:  deryni
     Type:  patch                     |       Status:  new   
Milestone:                            |    Component:  XMPP  
  Version:  2.5.2                     |   Resolution:        
 Keywords:  jabber blocking xep 0191  |  
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Comment(by MarkDoliner):

 This is a change we made at Meebo.  We've reviewed it and we think it's
 good.  I can check it in, but I thought it would be good to have another
 dev (someone more familiar with our jabber prpl) look over it.

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Ticket URL: <http://developer.pidgin.im/ticket/7670#comment:1>
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