Fix track names and staff name formatting

Track names and Staff Name formatting have been fixed in the Choral
Closed Score temnplates
Merge pull request #1226 from ChurchOrganist/FixChoralTemplates

Fix track names and staff name formatting
clean templates
adjust the SATB closed score templates' ranges

to match instruments.xml, the higher voices defining the max. pitches,
the lower voice defining the min. pitches
Merge pull request #1227 from Jojo-Schmitz/templates

adjust the SATB closed score templates' ranges
Revert "adjust the SATB closed score templates' ranges"
Merge pull request #1228 from ChurchOrganist/revert-1227-templates

Revert "adjust the SATB closed score templates' ranges"
restrict move-right/move-left to current measure
update languages
Fix vocal ranges

Fix vocal ranges in instruments.xml and some choral templates
Merge pull request #1229 from ChurchOrganist/FixVocalRanges

Fix vocal ranges
fix translations using unicode
Merge pull request #1230 from Jojo-Schmitz/translation

fix translations using unicode
Squared > Rounded icon
revert connect to HTTP, needs more testing
Merge pull request #1231 from thomasbonte/newdesign3

Squared > Rounded icon
fix #30826
Proper implementation of stopNotes() and initInstruments() for the calls from UI and RT threads
fix #15746
fix #29911