* replace the tr()'s with KDE's i18n()

* replace, as much as possible, Qt-classes with KDE-ones

* replace backtrace-code (util/assert{.h|.cpp} with something like: kDebug() << kBacktrace();

* Find a replacement library for TSE3
  Software synthesizers (please fill list):
    - FluidSynth www.nongnu.org/fluid/
      - which licence does it use?
    - Timidity++ http://timidity.sourceforge.net/index.html.en
      - is it actually a library?

* guitarPro4::readChanges -> applyToAll !!!
	    setUpStrok  -> enumeration !!
	    tremoloPicking -> enumeration !!
