Updated nginx to 1.17.1

Makefile

 all: nginx-service
-	tar xf nginx-1.15.2.tar.gz
-	cd nginx-1.15.2 && ./configure --prefix=/usr --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/run/nginx.pid --lock-path=/var/log/nginx.lock --http-client-body-temp-path=/tmp/nginx-client-body --http-proxy-temp-path=/tmp/nginx-proxy-temp --without-http_fastcgi_module --without-http_uwsgi_module --without-http_scgi_module --with-http_ssl_module --with-http_v2_module
-	$(MAKE) -C nginx-1.15.2
-	$(MAKE) -C nginx-1.15.2 install
+	tar xf nginx-1.17.1.tar.gz
+	cd nginx-1.17.1 && ./configure --prefix=/usr --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/run/nginx.pid --lock-path=/var/log/nginx.lock --http-client-body-temp-path=/tmp/nginx-client-body --http-proxy-temp-path=/tmp/nginx-proxy-temp --without-http_fastcgi_module --without-http_uwsgi_module --without-http_scgi_module --with-http_ssl_module --with-http_v2_module
+	$(MAKE) -C nginx-1.17.1
+	$(MAKE) -C nginx-1.17.1 install
 	@echo "$$NGINX_SERVICE" > /lib/systemd/system/nginx.service
 	systemctl enable nginx.service
 	mv /usr/html /srv/www
@@ -16,7 +16,7 @@ all: nginx-service
 	rm /etc/nginx/scgi_params.default
 	rm /etc/nginx/uwsgi_params
 	rm /etc/nginx/uwsgi_params.default
-	rm -rf nginx-1.15.2
+	rm -rf nginx-1.17.1
 
 nginx-service:
 define NGINX_SERVICE