Log Message:
Update to 0.75, based on patch from Matthew Luckie (maintainer):
* New Yahoo! auth method
* Yahoo! file transfer (Tim Ringenbach)
* Yahoo! chat joining fixes (Tim Ringenbach)
* Persons can auto-expand when hovering your mouse over it
* Improved i18n support for MSN email notification (Felipe Contreras)
* Jabber SASL PLAIN support
* Improved Jabber MUC (Chat) support
* Fixed an MSN login bug some people likely experienced (Felipe Contreras)
* Touch-up various dialogs to follow the Gnome Human Interface
  Guidelines more closely (Steven Garrity, Nathan Fredrickson, and
  Ka-Hing Cheung)
* Works better with all-black gtk themes (Etan Reisner)
* Mozilla Firebird support (Chris (darth_sebulba04))
* Multiple translation updates