Update NEWS for 1.13.6
Update NEWS for 1.13.6

rotty3000/tomboy,tomboy-notes/tomboy,rotty3000/tomboy,tomboy-notes/tomboy,tomboy-notes/tomboy,tomboy-notes/tomboy,rotty3000/tomboy,rotty3000/tomboy,tomboy-notes/tomboy,rotty3000/tomboy