[BACKLOG-328] - CLONE - Native filter in Mondrian does not include compound slicers in the constraint

additional fix - add relations of slicer members to the cube table
[BACKLOG-329] [MONDRIAN-2049] Adds more tests for the case.
Merge pull request #380 from lucboudreau/mondrian2049

[BACKLOG-328] [MONDRIAN-2049] Adding tests and fixing an issue when agg tables are turned on.