Release v2.0.0

[mStirner]

This is the v2.0.0 release.
It was worked on various issues.

A public demo instance if available on http://demo.open-haus.io
Note: the instance is rested every 10 minutes to its default values.

backend-v2.0.0.tgz: Build & uglified source code.
backend-v2.0.0-bundle.tgz: Same as above, but with pre installed node modules (build for x64)
backend-v2.0.0-docker.tgz: Docker image for x64
checksums.md5: MD5 checksum for the files above

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This discussion was created from the release Release v2.0.0.