* add a more detailed example based on https://github.com/SimonBaeumer/commander/pull/82
include test for '!include /usr/share/kopano/ldap.openldap.cfg'?
* add readme on testing
* add goss wait files for dagent and spooler
* fix version syntax
* commander: verify output of version.sh
* commander: exit setup.sh with code 1 when .env exists
* add commander to travis
* minimal test for commander in core container