Update NEWS for 1.13.9 release
Update NEWS for 1.13.9 release

xkahn/gvfs-cmis,halfline/gvfs,halfline/gvfs,gicmo/gvfs,xkahn/gvfs-cmis,philipl/gvfs,gicmo/gvfs,philipl/gvfs,xkahn/gvfs-cmis,xkahn/gvfs-cmis,gicmo/gvfs,philipl/gvfs,halfline/gvfs,gicmo/gvfs