Add a script to stop RLGWebD.

socat is no longer needed, nor is preventing systemd from sending
signals.

Makefile

@@ -1,4 +1,5 @@
 CHROOT=/var/dgl
+BINDIR=/usr/local/bin
 
 WEBASSETS = about.html bell.svg index.html options.html options.js rlgterm.js \
             style-rlg.css termemu.js termemu-keys.js tty.css
@@ -18,7 +19,7 @@ install: all
 	mkdir -p ${CHROOT}/bin
 	cp sqlickrypt dglwatcher ${CHROOT}/bin
 	for LIB in `ldd ./sqlickrypt | awk '$$1 ~ "^/" {print $$1}; $$3 ~ "^/" {print $$3}'`; do mkdir -p ${CHROOT}`dirname $$LIB`; cp $$LIB ${CHROOT}$$LIB; done
-	cp rlgwebd.js /usr/local/bin/rlgwebd.js
+	cp rlgwebd.js rlgwebd-stop.js ${BINDIR}
 	mkdir -p /var/local/rlgwebd
 	cp ${WEBASSETS} ${CHROOT}/var/www
 	cp rlgwebd.service /usr/lib/systemd/system