Log Message:
Changes 4.6.3:
* Added Spectrum analyzer demo application.
* Added exit softkey to Wiggly example.
* Added close button to Anomaly demo.
* Fixed Anomaly demo controlstrip icon placement for very small screens.
* Ensure history configuration is cleared when a state machine is restarted.
For more read: http://qt.nokia.com/developer/changes/changes-4.6.3