Database Repository Improvements

Fixed in v2.0. Allow read only one to many entities
to be disassociated from their parent. Allow many to
many entities to have attributes updated. Add support
for bulk update SQL commands. Enhance support for
custom join criteria when retrieving child entities.
[#248 state:fixed responsible:none milestone:v2.0]
Fixed Entity.isModified does not compare array fields properly

Fixed in v2.0. Added checks to correctly validate the modified
state of arrays and geometries. Also removed unnecessary
jar dependencies from the SOLA Services to reduce/minimize
the size of the SOLA Services EAR package.
[#192 state:fixed responsible:none milestone:v2.0]
added automatic calculation of parcels'area size for systematic registration service [#289 state:fixed responsible:none]