* Searches through the contacts of Microsoft Outlook only if it is the default mail client (in order to prevent a notification dialog displayed by Microsoft Outlook).
  * Other recent changes in earlier versions:
  * - Remove the @ sign from number contacts when searching for a corresponding image - Another fix for a related bug.
  * - Do not show chat button for apple or outlook address book contacts, even if the appropriate operation set is supported, until our user interface start handling external source contact chats properly.
  * - Remove the @ sign from number contacts when searching for a corresponding image - Fixed.
  * - When calling a contact, not contained in the contact list, we search for its image in one of the contact sources (mac address book/outlook). Let the user choose the account to use when calling an address book/outlook contact (when clicking the call button, as well as when choosing the right button menu). Remove the @ sign from number contacts when searching for a corresponding image.
  * - Advances the phone number matching to take into account leading plus characters, country codes, etc.
  * - Update UPnP library (Add timeout for HttpURLConnection).
  * - When opening a chat, notify the ChatChangeListeners in a separate thread to avoid being blocked if audio/video capabilities determination takes too much time (typically a Jabber contact that do not answer to/support service discovery).
  * - Update jna bundle.
  * - Add missing os-specific in init.
  * - Fixes a problem causing inaccurate result on contact search in the contact list. Fixes wrong behavior in contact list - when one clicks with the right mouse button, after she has clicked the left mouse button, the chat window was opened together with the right button menu, while the right behavior would be to have just the right button menu opened.
  * - Removes izpack-shortcut-link.jar from the classpaths of Eclipse and NetBeans as it has been removed from the repository in r8158.
  * - Fires QUERY_COMPLETED or QUERY_ERROR at the end of the execution of the ContactQueries of the Address Books of Microsoft Outlook and Mac OS X.
  * - Use registry for autostart on windows.
  * - Commit from translate.sip-communicator.org by user ratelists.: 954 of 954 messages translated (0 fuzzy).
  * - Check CoInitializeEx return code in jdirectshow JNI and do not call CoUninitialize if CoInitializeEx has not return S_OK or S_FALSE.
  * - Rebuilds libphonenumber-2.4.jar with Java 1.5 class file compatibility in response to a report of Emil Ivov on the dev mailing list in the thread of r8153.
  * - Normalizes phone numbers found in the Address Books of Microsoft Outlook and Mac OS X.
  * - Normalizes phone numbers found in the Address Books of Microsoft Outlook and Mac OS X.
  * - Fixes issue with closing calls when the call window is closed. Reported on dev by Fabio Telme and Conrad Beckert.
  * - Update jain-sip (setting ports and address of some resend messages), issue#894. Make sure we filter requests that are not coming from our proxy.
  * - Removes unused import.
  * - Click to toggle mute, hold down the microphone button to adjust microphone sound. Fixed some microphone related icons.
  * - Fixed NPE during the logout of an account when some contacts do not have a parentMetaContactGroup
  * - Attempt to fix random crash that happen with the Windows native renderer and the VideoFlipEffect.
  * - Fixes an access violation in the support for the Address Book of Microsoft Outlook (privately) reported by Damian Minkov.
  * - Temporarily disables the support for the Address Book of Microsoft Outlook because of a crash (privately) reported by Damian Minkov.
  * - Delays the linking to the Microsoft Outlook API from compile to run time as much as possible in order to fix a crash on Windows XP without Microsoft Outlook (privately) reported by Damian Minkov.