[OE-3856] table versioning
[OE-3856] audit changes
[OE-3856] soft deletion
[OE-3856] changes to support global soft deletion
[OE-3856] removed unnecessary statements
[OE-3856] changed model inheritance to use the versioned base model
[OE-3856] removed unneeded migration
Merge branch 'release/1.5' into feature/table-versioning
[OE-3914] fixed collation