* added methods to get results in context
* added signal to indicate audio test completed
* updated GUI to display results
* changed test run methods to non-const to be consistent with voice lib
* Logic in GUI to avoid parallel / interfering tests
* Fixed wrong Q_ASSERT message and QTimer::singleShot in voice_vatlib.cpp
Some minor changes in the same step:
* Fixed some style sheets
* Added QToolBox as preparation for a status message list
* Renamed voice settings to audio settings