[Pidgin] #6255: Store configs in $XDG_CONFIG_HOME/purple

[Pidgin]

#6255: Store configs in $XDG_CONFIG_HOME/purple
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 Reporter:  Eidutrukan  |       Type:  defect
   Status:  new         |   Priority:  minor 
Component:  libpurple   |    Version:  2.4.3 
 Keywords:              |    Pending:  0     
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 http://standards.freedesktop.org/basedir-spec/

 There is a single base directory relative to which user-specific
 configuration files should be written. This directory is defined by the
 environment variable $XDG_CONFIG_HOME.

 Use $XDG_CONFIG_HOME/purple instead of $HOME/.purple.

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Ticket URL: <http://developer.pidgin.im/ticket/6255>
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