pentaho/mondrian — pull request #316 by mkambol (2014-05-16 14:35:37+00:00)
Title: [MONDRIAN-1687] Addressing bad rollups formed as a result of mishandling columns with nullAxisFlag.

There were 3 places where we were failing to account for nullAxis correctly, resulting in bad CellKey coordinates and incorrect offsets.
(cherry picked from commit 7b095a2)