Ensure that spatial cache respects changed access constraints for updated documents
Correctly cache doc title in the spatial cache
Fixed geometry logic to swap north and south if n < s
fixed point centroid calculation to reflect bboxs that cross the dateline
Added javadoc comments for all new spatial classes. Optimized the title query in SpatialDocument.
Fixed polygon generator for cases where bbox crosses the dateline or the poles
refactory java classes for spatial harvester