AccessbilityInfo for Rest, Repeat Measure. Modified for note.
	modified:   libmscore/chordrest.cpp
	modified:   libmscore/chordrest.h
	modified:   libmscore/note.cpp
	modified:   libmscore/note.h
	modified:   libmscore/repeat.cpp
	modified:   libmscore/repeat.h
	modified:   libmscore/rest.cpp
	modified:   libmscore/rest.h
	modified:   mscore/scoreaccessibility.cpp
	modified:   mscore/scoreaccessibility.h