Extra improvements to new icons
Merge pull request #1222 from thomasbonte/newdesign2

Extra improvements to new icons
update version number in templates and demo scores
deploy MuseJazz for Mac
Add new templates

New choral and orchestral templates
Merge pull request #1224 from ChurchOrganist/NewTemplates

Add new templates
update mtest
clean templates, install the new ones
more cleaning for templates
fix #30836