[PSW-199] Allow Redshift Tables and Columns to appear in PSW by catching
foreign key exception.
[MONDRIAN-2047] Small tweak to the properties docs.

The default solve order should be 'absolute' instead of 'scoped'.
[MONDRIAN-1869] - avg measures need to be aggregated in SQL similar to distinct-count.  You cannot aggregate avg from separate queries because the count for the denominator is lost by then.
Merge pull request #320 from kurtwalker/MONDRIAN-1869

[MONDRIAN-1869] - avg measures need to be aggregated in SQL similar to d...
Merge pull request #305 from wgorman/PSW-199

[PSW-199] Allow Redshift Tables and Columns to appear in PSW by catching
[CLEANUP] The ESAPI dependency is for the schema workbench only, not mondrian core.
[MONDRIAN-1519]  Median from set of one member is returned as 50% from measure value.

In the case of single value arrays, the percentile function was returning p*value, which is inconsistent with most other implementations of Percentile (e.g. Excel's).
Merge pull request #323 from mkambol/mondrian-1519

[MONDRIAN-1519]  Median from set of one member is returned as 50% from m...