[Pidgin] #4887: add search contacts feature

[Pidgin]

#4887: add search contacts feature
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Reporter:  kekek        |       Owner:  lschiere       
    Type:  enhancement  |      Status:  new            
Priority:  minor        |   Component:  unclassified   
 Version:  2.3.1        |    Keywords:  search contacts
 Pending:  0            |  
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 Add a search contacts feature.
 This is very usefull when one has lots of contacts and needs to find one.
 Either by email or screen name or alias. Just like in MSN.

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Ticket URL: <http://developer.pidgin.im/ticket/4887>
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