change text in staff properties dialog
fix regression: position of instrument names
experiment new color and thickness for breaks and spacer to make them more discrete
rename icons according to FreeDesktop Icon Naming Specification
change icon set
add align-vertical-baseline icon, fix alignment icons in Style->Text
fix resource file for Mac OSX
replace more icons
replace more icons, take 2
fix #11684: replace 'Display' by 'View' in the main menu