ISPN-4505 Lucene Directory polishing
ISPN-4505 Now using @Override for methods which couldn't be marked properly before
ISPN-4505 Document the fact we dropped compatibility with older Lucene versions
ISPN-4278 Add QOP support to the HotRod SASL implementation
ISPN-4484 Outbound transfers can be cancelled by old CANCEL_STATE_TRANSFER command

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