[Pidgin] #21: Rename UI functions into the pidgin_* namespace

[Pidgin]

#21: Rename UI functions into the pidgin_* namespace
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  Reporter:  rlaager       |       Owner:                             
      Type:  task          |      Status:  reopened                   
  Priority:  blocker       |   Milestone:  Go public with Pidgin 2.0.0
 Component:  pidgin (gtk)  |     Version:  2.0                        
Resolution:                |    Keywords:                             
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Comment (by lschiere):

 This appears to be mostly done.  Some of the plugins and some of the
 makefile stuff remains.

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Ticket URL: <http://developer.pidgin.im/ticket/21#comment:7>
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