* 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.
  * Other recent changes in earlier versions:
  * - 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.
  * - Fix jabber account default values and creating it from initial registration form.
  * - Fix disable/enable upnp option in wizard.
  * - Remove some unnecessary resolves. Fix NAPTR queries, getting SRV query string from NAPTR results. Fix NPE when there is no SERVER_ADDRESS saved. Process SIP 423 Interval Too Brief to update our expiration time value. Disable Jabber user id field when editing jabber accounts.
  * - Fix localized call state strings.
  * - New received call dialog for Mac users.
  * - Commits work in progress on adding support for the Address Book of Microsoft Outlook.
  * - Fixes a NullPointerException in MainToolBar which is seen in the log and appears to happen at startup.
  * - When we perform an XMPP/Jingle attended tranfer, the callee have to auto-answer when it receives a session-initiate with a transfer element (if ithe transfer information correspond to us).
  * - Execute cancel action when pressing escape and closing authentication window.