INVALID TEMPORARY STATE: Removed one directory level, CMakeLists.txt.root has to be renamed back to CMakeLists.txt.

INVALID TEMPORARY STATE: Renamed CMakeLists.txt to CMakeLists.txt.root in order to keep history after moving it up.

do not delete QSettings in order to avoid crash on Mac OS X when closing the main window before the handbook

remove seek slider icon and put title label and seek slider into a splitter so that the seek slider can be made larger

Do not automatically add the total tracknumber in setTrackV2(), this function is only used in when copying or converting between ID3v2 versions. In m4afile.cpp it is still added, because for m4afiles, setTrackV2() is also used for normal editing of the track number.

set and get track from tag 2 as string, so that total number of tracks is preserved when copying or converting between ID3v2 versions

The total number for tracks can now be set in the "Number tracks" dialog. Tag 2 numbers are set even if only the format is changed.

fixed bug: after album cover was downloaded by import it was downloaded again in next import because the import track data was not properly cleaned