• Force width to be multiple of 16 on Mac OS X when we create a part desktop streaming device.
• Fixes an issue reported by Emil Ivov and found to cause modifications to the Mac OS X Address Book to not be picked up by SIP Communicator upon subsequent searches.
• Removing option "remember password" when editing sip account don't work (reported by Davide Corda on dev mailing list).
• When creating new account (simple or advance form) make sure we don't reuse old AccountRegistration instances.
• Do not flip vertically images from directshow webcam if there are already flipped.
• Tries to detect is the incoming call audio or video one.