Added SpatialExtent class with validation
Added SpatialExtent class with validation
Added dataset service method to create SpatialExtent for driving data
Save Parameter values as Fortran strings in DB
Added SpatialExtent class with validation
Added extents controller and database functions needed to save extents parameters
Added extents controller and database functions needed to save extents parameters
Added extents controller and database functions needed to save extents parameters
Added extents controller and database functions needed to save extents parameters
Merged