* Disable local video when moving to a conference call (had to explicitly "doClick" the button instead of just invoking setSelected(false) in order to trigger the exact operation).
  * Other recent changes in earlier versions:
  * - Disable local video when moving to a conference call.
  * - Unused field removed.
  * - Disable local video when moving to a conference call (had to explicitly "doClick" the button instead of just invoking setSelected(false) in order to trigger the exact operation).
  * - Disable call dialog buttons before the call is connected.
  * - Implements Speex encoder, decoder and resampler using the native Speex library. Since the JNI binaries are not available, the new functionality shouldn't cause regressions.
  * - Simplifies the pure-Java Speex encoder implementation a bit, fixes indentation.
  * - Removes a redundant cast.
  * - Text tip added in the no contact view.
  * - Remove unused code, muting individual call peers.
  * - Add standby detection and handling in reconnect plugin. Fix some more root group contacts handling in SIP protocol.
  * - Fixed brace placement added @Override annotations Fixed a NPE that happens when closing twice the AuthenticationWindow (another actionPerformed() fired during the closing operation) 
  * - Fix a NPE that happens when removing a sip account : The problem was that the GlobalStatusSelectorBox for this account was removed before receiving the sip event so calling stopConnecting gives a NPE
  * - added missing @Override annotations and fixed a typo
  * - Fix sip tests.
  * - Fix problem on Windows when toggle video during a call (both SIP accounts registered with asterisk).
  * - 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.