Merge pull request #26 from portisheadaff/evergreen

[MONDRIAN-1980] Ancestors function be able to reproduce microsoft functi...
Merge pull request #27 from portisheadaff/evergreen

[MONDRIAN-1988] Suport <String> + <String> function.
fixed issue with calc type for iif returning crossjoins
[MONDRIAN-1912] fixed issue with CrossJoin when evaluating members,
leading to array index out of bounds.
[MONDRIAN-1721] fixed issue with native eval and self referencing
calculated members
initial fix for performing sum() correctly in virtual cubes when default
measure is in a different parent cube as the defined calc by the sum().
Merge pull request #28 from portisheadaff/evergreen

Evergreen
Merge pull request #29 from portisheadaff/evergreen

Refactor LinkMember correction all members
[MONDRIAN-1912] fixed state issue with calculated cells, removed temporary
work-arounds
[MONDRIAN-1572] added distinct subselect during many to many segment loads
to avoid duplicate records resulting in invalid results.
Merge branch 'evergreen' of https://github.com/wgorman/mondrian into evergreen
LinkMember multiple level search