Migrated nginx from ppa to NGINX Own repo

CoreModules/nginx/preconf.sh

@@ -1 +1,2 @@
-$PKGA ppa:nginx/stable -y > $OUTPUT 2>&1
+echo "deb http://nginx.org/packages/ubuntu `lsb_release -cs` nginx" > /etc/apt/sources.list.d/nginx.list
+curl -fsSL https://nginx.org/keys/nginx_signing.key | sudo apt-key add -