make bracket span change undoable
fix #21313
fix #21277
use staff mag for lyrics line
fix total page number when page offset is !=0
remove VoiceSelector
fix #21269
Merge pull request #376 from lvinken/21269-musicxml-voltas

fix #21269
fix #21304
Merge pull request #379 from lvinken/21304-capx-2.0

fix #21304
update also part name on SaveAs
add brackets.svg to mac resource file
add c++ wrapper for sndfile, replace ogg routines in fluid with sndfile
fix #20419
fix #21410: Notehead brackets collide with fret number
update regression tests
fix #17457: Articulations and ornaments included in application to bar lines if selecting measures
slight change in fermata algorithm
set default time strech for fermata to 1.0
fix tests