Update documentation according to 5.2 changes

Description

Hibernate 5.2 documentation must be updated according to the latest changes that were done in this branch.

Environment

None

Status

Assignee

Vlad Mihalcea

Reporter

Vlad Mihalcea

Fix versions

Labels

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backPortable

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Suitable for new contributors

None

Requires Release Note

None

Pull Request

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backportDecision

None

Priority

Major
Configure