* Ensure routing respect publish status
* Check published status per culture
* Added PublishStatusService to get publish status for a given documentkey and culture
* Added tests and fixed bug with a static fields that should not have been static
* Make sure the write and read cache key is always the same no matter where the request comes from
There is an edge case where the incomming culure is fully capitalized while the read is camelcase
* Fixed review comments
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Co-authored-by: Sven Geusens <sge@umbraco.dk>
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