* Try to obtain the received call notification contact image from one of the contact sources.
  * Fixes the following issues reported by Emil Ivov on the dev mailing list in the thread _A few issues with Apple's Address Book support_: (1) The call button is disabled even though the tool tip does show the phone entries, (2) Searches do not seem to work on the concatenation of the first and last names.
  * Fixes the following issue reported by Emil Ivov on the dev mailing list in the thread _A few issues with Apple's Address Book support_: I don't get the images [...] in the contact list and only see them in the tool tip.
  * Other recent changes in earlier versions:
  * - Implements ExtendedContactSourceService for the Address Books of Microsoft Outlook and Mac OS X.
  * - Fixes the Makefile for the JNI binary of the support for the Address Book of Microsoft Outlook.
  * - Fixes the Makefile for the JNI binary of the support for the Address Book of Microsoft Outlook.
  * - Displays images for the contacts fetched from the Address Book of Mac OS X.
  * - Displays kABOrganizationProperty as the displayName of SourceContact for companies fetched from the Address Book of Mac OS X.
  * - Activates an initial implementation of the support for the Address Book of Mac OS X. Neither it, nor the support for the Address Book of Microsoft Outlook implement the SourceContact image property.
  * - Updates felix.jar to version 3.0.7 (Courtesy of Richard S. Hall). Update check from menu on windows is ran in new thread, preventing block swing if authentication needed.
  * - Fixes NullPointerException-s on chat window close and chat window open.
  * - Some gui refactoring.
  * - Make sure we init addresses for packet logging if they are not set in sip stack, and make sure no exception comes out from sip logger. Issue #894.
  * - Searches through more properties of the Microsoft Outlook contacts.
  * - Commits work in progress on adding support for the Address Book of Mac OS X.
  * - Commits work in progress on adding support for the Address Book of Mac OS X.
  * - Fix default values for jabber connection (stun auto-discover and jingle nodes if account props are missing) to reflect default values when creating account. Add option to change source when sending generic jabber notifications. Ignore time for querying network devices when checking for changes in network config.
  * - Enable Skein MAC for SRTP and ZRTP
  * - Activates the implementation of searching in the Address Book of Microsoft Outlook committed in r8114.
  * - Logs for detecting video devices.
  * - Provides an initial implementation of searching in the Address Book of Microsoft Outlook.
  * - Reverts to Yana's latest version of CallHistoryContactSource because of problems reported by her caused by subsequent modifications.
  * - Fix contact capabilities, causing disappearing buttons in the contact list.
  * - Move volume buttons next to sound indicators. 
  * - Change account wizards to register protocol in separate thread and no more block the UI and shows status text.
  * - Wait the end of ICE processing to process session-accept message.