- Update to 8.14.7:
* crash when %%score with no common voices and next notes with beams
* crash when new staff system with only new voices
* crash when slash found before a bar and not a (deprecated) measure repeat
* crash when %%staves at end of tune and lack of music in the last voice
* bad parsing of the note durations
* clash of some ties with dots
* bad check of the number of measures in Z (multi-rest)
* new improved coda sign
* Make pkg-config substitutable for cross-compilations
* add option tieheight factor to tie height like in slurheight
* add some decorations from v2.2 standard