[SP-1619] [MONDRIAN-2229] Backport of this case. Adds a config parameter to the MCH to make it return the legacy DS name. This enables batching of member lookups through the olap4j-xmla driver.
Merge pull request #2146 from lucboudreau/5.2

[SP-1619] [MONDRIAN-2229] Backport of this case. Adds a config parameter...