Skype 4.0.0.150 Beta

# bugfix: Renaming a contact did not work correctly
# bugfix: New audio device notification was sometimes wrongly presented for SoundMax devices
# bugfix: Incoming chat notification was played when it should not have been
# bugfix: Changing ringing device also changed speakers
# bugfix: No sound was played when sending a chat message
# bugfix: It was not possible to remove echo123 from the contact list
# bugfix: Skype sometimes crashed when recording voicemail
# bugfix: Getting Started Wizard sometimes misbehaved after making a test call