Merge pull request #32 from tgf/evergreen

[MONDRIAN-1721] reduced scope for native NonEmpty() to avoid wrong resul...
[MONDRIAN-2077] Enable more use cases with compound slicers.  This
improvements allows calculated members to change the context of unary
members in a compound slicer.
Merge branch 'evergreen' of https://github.com/wgorman/mondrian into evergreen
Merge pull request #33 from tgf/evergreen

null keys and intermittent test failures
[MONDRIAN-1572] Performance improvements in ManyToMany slicer
determination.
Merge branch 'evergreen' of https://github.com/wgorman/mondrian into evergreen
[MONDRIAN-1968] added right tuple as part of the context when checking
exists against a measure group (cube).
[MONDRIAN-1180] Native Existing support
[MONDRIAN-1654] workaround: clear named set cache if compound slicer
[MONDRIAN-1721] NPE with unknown members
[MONDRIAN-1180] oops revert logger change