* Fix logger usage - seventh and last bunch
  * Remove debug/check print statements.
  * Other recent changes in earlier versions:
  * - Fix logger usage - sixth bunch.
  * - Fix a bug in DirectShow when changing webcam resolution and add I420 format support.
  * - Fix logger usage - fifth bunch.
  * - use of StringBuilder instead of StringBuffer fixed some brace placement made fields final when possible
  * - use of StringBuilder instead of StringBuffer fixed some brace placement made fields final when possible
  * - replaced use of a StringBuffer by a simple String concatenation as it is now optimized by the JVM
  * - Fix logger usage - third bunch of changes.
  * - Fix logger usage - forth bunch.
  * - Activate libnotify for debian and linux package, still to come activation in rpm package.
  * - Prevent Call Dialog from stealing focus.
  * - Commit from translate.sip-communicator.org by user acastroy.: 799 of 799 messages translated (0 fuzzy).
  * - Add extended changelogs as changelog for debian package, and changelog files for debs used by ui applications to display changes.
  * - Fixes a few warnings.
  * - Fix jabber keepalive thread to change state and not trigger re-registering.
  * - Removes lib/os-specific/mac/installer-exclude/dock.jar from the .classpath of Eclipse because it has been removed from the repository.
  * - - Add DTMF for DTMF RFC4733 Listener. - Now we can change the priority of send/receive threads (not activated yet).
  * - Commit from translate.sip-communicator.org by user mandre.: 745 of 799 messages translated (3 fuzzy).
  * - Show language options in their own locale. Suggested by Matthieu Casanova.
  * - Fix another bunch of unguarded logger.{debug,info,trace} calls. Ongoing activity to fix the usage of shown logger messages.
  * - Add ant script to build JNI libraries. Note that external libraries such as ffmpeg, x264, portaudio and speex must be compiled before trying to compile libffmpeg or libjportaudio.
  * - Fixing jabber asking for password on connection problems.
  * - Fix handling of logger message and level. Call logger message functions only if the logger level requires it. This avoids a lot of message formating, srting conversions and alike. This cover INFO, DEBUG and TRACE level messages. ERROR and WARN are not protected in this way. Implement a correct log-level reporting to Jain-SIP.
  * - Fixed bug reported by Lubomir Marinov on dev ( May 28, 2010, subject : "Call from history... strangeness")
  * - Keyframe indication in single NAL unit packet.