Log Message:
Update the pidgin IM suite to version 2.2.0.

The intltool that comes bundled with libpurple doesn't like NetBSD's
/usr/bin/iconv, so switch libpurple to use intltool from pkgsrc.

ChangeLog:

Version 2.2.0 (09/13/2007):
http://developer.pidgin.im/query?status=closed&milestone=2.2.0

Libpurple:
* New protocol plugin: MySpaceIM (Jeff Connelly, Google Summer of
  Code)
* XMPP enhancements. See
	  http://www.adiumx.com/blog/2007/07/soc-xmpp-update.php (Andreas
  Monitzer, Google Summer of Code for Adium)
* Certificate management. Libpurple will validate certificates on
  SSL-encrypted protocols (William Ehlhardt, Google Summer of Code)
* Some adjustments were made to fix sending messages when using
  the MSN HTTP method. (Laszlo Pandy)
* Yahoo! Chat is fixed.
* Some AIM file transfer issues between Pidgin and other clients
  have been fixed. (Kyryll A Mirnenko)
* Properly restore idle status and time for AIM and ICQ accounts
  when they reconnect after being disconnected.

Pidgin:
* Insert Horizontal Rules and Strikethrough text from toolbar.
* Option to show protocol icons in the buddy list, from the
  Buddies > Show menu. (Justin Heiner)
* Ability to build with native, non-X11 GTK+ on OSX. (Anders
  Hasselqvist)
* Remember the 'Enable Sounds' setting for a conversation.
* Right-clicking the empty space in the formatting toolbar
  allows you to toggle back to the old "ungrouped" version.
* Protocols supporting account registration via Pidgin now show
  a descriptive checkbox instead of a vague "Register" button.
* Fixed a bug where a tab would be shown on single conversations
  when tabs were disabled.

Finch:
* Per-conversation mute and logging options (accessible from the menu).

Version 2.1.1 (08/20/2007):
Yahoo:
* Added an account action to open your inbox in the yahoo prpl.
* Added support for Unicode status messages in Yahoo.
* Server-stored aliases for Yahoo. (John Moody)
* Fixed support for Yahoo! doodling.
* Limited support for MSN Messenger contacts

Bonjour:
* Bonjour plugin uses native Avahi instead of Howl
* Bonjour plugin supports Buddy Icons

XMPP:
* Only report conversation close when 'send typing notifications'
  preference is turned on (Bob Rossi)

Pidgin:
* Show current outgoing conversation formatting on the font label on
  the toolbar
* Slim new redesign of conversation tabs to maximize number of
  conversations that can fit in a window
* Tab bar is not visible when only one conversation is open. You can
  drag and drop conversations from the infopane.
* Moved "Reset Formatting" toolbar button to Font menu.
* Double click on the infopane to alias buddies and set topics
  on chats
* New smiley style

Finch:
* Sound support (Eric Polino)