Update Makefile

Makefile

 	$(STRIP)   -s           $(DESTDIR)/usr/bin/radangel
 	$(STRIP)   -s           $(DESTDIR)/usr/bin/websockify
 
+uninstall-bin:
+	rm -f $(DESTDIR)/usr/bin/radangel
+	rm -f $(DESTDIR)/usr/bin/websockify
+
 install-html:
 	$(INSTALL) -m 755 -d    $(DESTDIR)/usr/share/radangel/html
 	$(INSTALL) -m 644       html/index.html $(DESTDIR)/usr/share/radangel/html
 	$(INSTALL) -m 644       html/js/chroma.min.js $(DESTDIR)/usr/share/radangel/html/js
 	$(INSTALL) -m 644       html/js/plotly-cartesian-latest.min.js $(DESTDIR)/usr/share/radangel/html/js
 
+uninstall-html:
+	rm -rf $(DESTDIR)/usr/share/radangel
+
 install-config:
 	$(INSTALL) -m 755 -d    $(DESTDIR)/lib/systemd/system
 	$(INSTALL) -m 644       service/datasrc.service $(DESTDIR)/lib/systemd/system
 	$(INSTALL) -m 755 -d    $(DESTDIR)/etc/udev/rules.d
 	$(INSTALL) -m 644       config/60-kromek-radangel.rules $(DESTDIR)/etc/udev/rules.d
 
+uninstall-config:
+	rm -f $(DESTDIR)/lib/systemd/system/datasrc.service
+	rm -f $(DESTDIR)/lib/systemd/system/radangel.service
+	rm -f $(DESTDIR)/lib/systemd/system/websockify.service
+	rm -f $(DESTDIR)/etc/nginx/conf.d/nginx-default-datasrc-location.conf
+	rm -f $(DESTDIR)/etc/udev/rules.d/60-kromek-radangel.rules
+
 install: install-bin install-html install-config
 
+uninstall: uninstall-bin uninstall-html uninstall-config
+
 %-clean: %
 	$(MAKE) -C $< clean