* Fix problem on Windows when toggle video during a call (both SIP accounts registered with asterisk).
  * Other recent changes in earlier versions:
  * - Fixed not appearing call participant when added in a conference call. Bug reported by Emil Ivov.
  * - Fix mute button behaviour in conference calls. 
  * - Check for connected yahoo provider before requesting image.
  * - Checks if a contact is already added in the contact list before adding it after a metaContactAdded or metaContactGroupAdded event.
  * - Fire events for adding meta contacts when loading contactlist. Fix possible NPE.
  * - Fixes calls status bar layout (both in one-to-one and conference calls).
  * - Fix not showing SIP presence status for contacts in the root group. 
  * - Some logs added for debugging.
  * - Fix possible memory leak in reconnect plugin, and some improvments (cancel already scheduled for reconnect on network down or after registering). Add some trace debugs prints.
  * - Updated version of jain-sip jars.
  * - Replaces encodeBody() to encode() since it has changed in latest JAIN-SIP jar's.
  * - Commit from translate.sip-communicator.org by user acastroy.: 799 of 799 messages translated (0 fuzzy).
  * - Removed unused imports.
  * - Fix a bug codec preferences with equal priorities are ignored. Fix some system bundles.
  * - In the call transfer menu opened when there are more than one active calls, add a "transfer to" item, which allows to make an unattended transfer. In conference calls, fix local peer appearing in the members.
  * - Correctly remove "refer" subscription, when a notify with "Subscription-state" "terminated" has been received.
  * - Set minimum size for transfer call dialog.
  * - Enable switching off the smileys in the chat window.
  * - Fix incorrect sequence number in dialog during file transfer.
  * - Correctly scale incoming call contact image.
  * - Fix transfer dialog single selection.
  * - Update portaudio binaries.
  * - Fix transfer dialog single selection.
  * - - improving call transfer interface - work in progress - show avatar images for peers in one-to-one and conference calls if available - show our own image in conference calls - connecting icon introduced to indicate when an account is in connecting state (shown in the global status menu - below the name in the application window)