'continue' doesn't work for ties
Adjust __repr__
Don't set ties twice
French translation update
respect cancel on unsaved files
(on quit or git restart) fix #531
Merge pull request #532 from rdoursenaud/french

French translation update
pot, po, nl update
Merge branch 'master' of https://github.com/wbsoft/frescobaldi into musicxml
Adding support for markup in header assignment, hopefully resolves #535
Check if midi file exists before running Timidity, hopefully closes #530
Minor edit in error dialog message
Creating a help text for the modal transpose, see issue #538
Merge pull request #542 from PeterBjuhr/userguide

Creating a help text for the modal transpose, see issue #538
Merge pull request #536 from PeterBjuhr/musicxml

Musicxml export
Merge pull request #540 from PeterBjuhr/bugs-issues

Check if midi file exists before running Timidity, hopefully closes #530
new helper module dedicated to handling QSettings pecularities
use new helper function everywhere to safely get a list of strings from QSettings

change s.value("blabla", [], type("")) everywhere to
qsettings.get_string_list(s, "blabla")
add new snippet created via Edit→Copy to Snippet automatically (by default) to the menu
upd chlog