Skype 4.0.0.166 Beta

* feature: Compact view
* feature: Scalable profiles
* feature: Contact categories (previously known as contact groups)
* feature: Support for Vista Core Audio
* feature: Call quality feedback and indicator
* feature: Ability to login to Skype via command line
* feature: Events and notifications (tray and sound alerts)
* feature: Added High Quality video support for Logitech Vision Pro
* feature: Added mjpg webcam support
* improvement: Now possible to copy mood and paste elsewhere
* improvement: Confirmation screen added to new contact flow
* improvement: What's New Guide updated
* improvement: Better scalability for smaller window sizes
* improvement: Conversation and contact tabs layout
* improvement: Better visibility of video rezise icon
* improvement: Online status (presence) improved for persons with long contact lists
* change: Firefox plugin updated to version 2.2.0.102
* change: Internet Explorer plugin updated to version 2.2.0.205
* change: Language localisation updates
* bugfix: Video in Mood
* bugfix: Video calls occasionally caused Skype to crash
* bugfix: Occasionally, the minimized parameter didn't work
* bugfix: API - Get avatar command did not work
* bugfix: API - Over time, Audio API datastream lost synchronisation