feature/ts - read-only support (#57)

* extend post info with ts and add info implemenation to engine

* info controller

* remove unused

* docker froendly new test

* tree find to include post info struct

* remove leftovers from codeconv

* test for empty tree request

* add func name to error rest report

* test with disabled proxy

* add read only age and reject updates on old posts

* lint: shaddow err

* make info calls fast. needs migration!

* fix backup restore script

* increase limiter timeout

* add local exporter

* migrate list to new info

* fix rest list tests

* add manual backup script

* default backup path

* fix eait on sec change failing rss tests

* add RO status bucket and rest

* add admin RO controller test

scripts/create-backup.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+# this scrips makes a backup file to /srv/var/userbackup-<site>-<timestamp>.gz
+
+BACKUP_PATH=${BACKUP_PATH:-./var}
+backup_file=${BACKUP_PATH}/userbackup-${1}-$(date +%s).gz
+echo "make backup file for site $1 to $backup_file"
+curl "http://127.0.0.1:8081/api/v1/admin/export?site=${1}&secret=${SECRET}" > ${backup_file}