Merge pull request #194 from elfenpiff/iox2-77-0.3.0-release-rc1

[#77] Small adjustments

Merge pull request #94 from elfenpiff/iox2-77-0.2.2-release

[#77] Set release version to 0.2.2

Merge pull request #79 from elfenpiff/iox2-77-0.2.0-release

[#77] Set release 0.2.0 version number and write announcement

Merge pull request #43 from elfenpiff/iox2-42-add-acl-feature-flag

[#42] Add acl feature flag and deactive it by default

Merge pull request #38 from elfenpiff/iox2-2-prepare-for-announcement

[#2] Set version to 0.1.0