* fixes for setup-tools.sh
fixes https://github.com/zokradonh/kopano-docker/issues/266
* add startup tests for meet demo
* add architecture to contributing file
* define ical_listen for kopano-ical
* precreate database if it does not yet exist
* fix spelling
* make konnect url configurable
* switch to fork of dockerize as it allows to skip ssl verification
since the address of the oidc issuer is now dynamic it could point to an invalid ssl certificate (the self signed cert is by default "valid" for *)
* update hadolint
* add more scopes
* only skip ssl verification when running insecure
* tune .editorconfig for the existing files
* fix reported linting issues
* travis: switch language to node_js to be able to run npm
* travis: build on ubuntu bionic
* update supercronic to the latest release
* update tagging for base
* fix version tag for core
* put versions for all containers into labels instead
* define vcf_ref once
* remove cache-from as caches will be invalidated early on because of passing the git ref early on
* do not rebuild when publishing
* do not rebuild when publishing
* reduce layers required for env assignment
* pull newer base images for kdav, scheduler and ssl if available
* alsp publish tag for ldap containers
* fix publishing of ssl container
* add hadolint for dockerfile linting
* add hadofile config
* add checks for dockerfiles and shellcheck into makefile
* shellcheck fixes
* add workaround so that .env can be sourced again from version.sh
* hadolint fixes
* print progress of build/run.sh
* fix check for jq in setup.sh
relates to #41 and #26
