Fixed multi negative

fixed excessive negative in AkInterval as well as undiscovered one with
date
nullPointerException still occurring in yaml test
Merge branch 'master' into NegTimeBug
adding yaml test

adding yaml test, other changes are made in the jdbc-adapter to fix bug
cleaner fix

made a cleaner fix
cleaned format too

made format function clearer
test for year added

added simple test for year
Refactoring in preparation for integration with geophile. The goal was
to do the binding of the z-value in AbstractStore, instead of deeper
in PersistitIndexRowBuffer. This sets the stage for handling non-point
spatial objects which give rise to multiple z-values, each represented
by an index row.
Added some yaml tests
Updated tests
Don't use ANTI joins if sides can be null
Added some test cases
Commented out broken tests
Updated RulesTests
Updated comment
Added one little test case
Configurable host for REST service
Configurable host for postgres server
Addressed review comments: Fixed imports, removed assertions, added
missing file header.
We match postgres
Removed stale comment