MODE-2178 Corrected the scanning behavior around various types of joins and enabled back the failing Tck tests that exposed this behavior.
MODE-2178 Added filtering for shared nodes, making sure none of the nodes from the shared set turn up in the query results.
MODE-2247 Implemented the INTERSECT and EXCEPT query operations and fixed a couple of issues.
MODE-2209 Implemented a NodeSequence which checks the READ permission for nodes
Updated code based on the PR review: removed node key buffer from SecureSequence, fixed the shareable nodes type check and disabled/reverted the code regarding different width sequences.
Merge pull request #1169 from hchiorean/MODE-2178

Fixed various issues and implemented some new features around the new ScanningQueryEngine