WIP: Kopano Konnect und Rest API (#72)

* add a new image for konnect
* add konnect to compose file
* adapt gencerts for konnect certs
* integrate gencerts into start.sh and adapt if to only skip individual parts
* add container for kapi
* use same config for webapp and z-push as https://stash.kopano.io/projects/KGOL/repos/kweb/browse/config/legacy.go
* use example compose file in make test target
* make compose file configurable through an env variable
* remove legacy links in compose
* write certificates first to a tempfile
* remove unnecessary paths
* add option to run kapi insecure for testing
* configure openid for kopano-server
* add local playground to test functionality of konnect and kapi
* print errors and logs to stdout in web
* add extrahosts to kopano_server
* adapt extrahosts for ip command on ubuntu 18.04
* add documentation

Signed-off-by: Felix Bartels <felix@host-consultants.de>

ssl/Dockerfile

@@ -16,8 +16,7 @@ RUN apk add --update \
     && rm -rf /var/cache/apk/*
 
 COPY start.sh /start.sh
-COPY gencerts.sh /gencerts.sh
 
-RUN chmod a+x /start.sh /gencerts.sh
+RUN chmod a+x /start.sh
 
-CMD ["/start.sh"]
+CMD ["/start.sh"]