Misc changes (#268)

* 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

.travis.yml

@@ -24,6 +24,8 @@ install:
   - travis_retry make build-all
 script:
   - make test-ci
+  - docker-compose down -v
+  - make test-startup-meet-demo
 deploy:
   - provider: script
     script: make publish