Add property for determining if diff line lacks trailing newline
Add property for determining if diff line lacks trailing newline

artivilla/desktop,j-f1/forked-desktop,artivilla/desktop,shiftkey/desktop,BugTesterTest/desktops,gengjiawen/desktop,gengjiawen/desktop,hjobrien/desktop,desktop/desktop,artivilla/desktop,hjobrien/desktop,gengjiawen/desktop,shiftkey/desktop,shiftkey/desktop,j-f1/forked-desktop,shiftkey/desktop,artivilla/desktop,BugTesterTest/desktops,say25/desktop,kactus-io/kactus,BugTesterTest/desktops,kactus-io/kactus,j-f1/forked-desktop,BugTesterTest/desktops,gengjiawen/desktop,say25/desktop,hjobrien/desktop,kactus-io/kactus,kactus-io/kactus,say25/desktop,desktop/desktop,say25/desktop,desktop/desktop,hjobrien/desktop,j-f1/forked-desktop,desktop/desktop