regenerate nginx configs

Users are seeing SSL_ERROR_RX_UNEXPECTED_NEW_SESSION_TICKET. Probably related
some of the app configs had ssl_session_tickets off and some didn't . It seems nginx
has some issue if they are inconsistent (see also https://github.com/nginx-proxy/nginx-proxy/issues/580#issuecomment-249587149).

https://forum.cloudron.io/topic/3157/ssl-error-after-upgrading-to-5-6-0-on-ubuntu-16

src/infra_version.js

@@ -6,7 +6,7 @@
 
 exports = module.exports = {
     // a version change recreates all containers with latest docker config
-    'version': '48.17.0',
+    'version': '48.17.1',
 
     'baseImages': [
         { repo: 'cloudron/base', tag: 'cloudron/base:2.0.0@sha256:f9fea80513aa7c92fe2e7bf3978b54c8ac5222f47a9a32a7f8833edf0eb5a4f4' }