Fix #20625 - Hide tuplets in stemless TAB's.
Merge pull request #310 from mgavioli/Fix_20625_Hide_tuplets_in_tas

Fix #20625 - Hide tuplets in stemless TAB's.
fix #19988: Shifted note in 1.X not displayed correctly
fix toggle of synthcontrol
fixes for midi rendering, staff text & aeolus
fix syntax error in run_tests.sh
fix regressions
add Ctrl+A and selection deletion support for simple text
add copy/cut/paste support in simpletext
update synthesizer on sequencer seek
fix layout of unstyled text
Initial mtest support fro Capella
Merge pull request #313 from lvinken/20581-capx-impl-2

Initial mtest support fro Capella
add license header to fastlog.h
fix #17673: arpeggio playback
fix arpeggio default height
fix #17521: Replacing arpeggio and undo removes it completely
add ability to change arpeggio by drag/drop/dbl click
travis: try to kill Xvfb when tests fail
fix #20083: Fall/Doit modification causes unredable mscx file and crash