code formatting
fixed iter_array which returning "masked" when use_mask was False
wrapping and unwrapping not capturing masked grid values #323

Wrapping now uses the data attribute of the masked arrays on the
grids. Also changed the array iterator on the geometries to not
use the mask though this was redundant as the data attribute was
already being used.
shapefiles names beginning with integer break sql expressions #325

SQL expressions for selecting geometries is no appropriately
quoted.
Update install_geospatial.sh
Update install.rst
Update install_geospatial.sh
Update install_geospatial.sh
Update install_geospatial.sh
Update install_geospatial.sh
Update install_geospatial.sh
simple fix for directory contents test
Update install_geospatial.sh
Update install.rst
Update install_dependencies_ubuntu.sh
minor fixes to tests to account for new filesystem organization
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