Added empty_storage_hook to analysis/__init__.py for use in topo profile

The use of lambda functions in notebook_setup.py was preventing
snapshots from being saved from the notebook environment.
Fixed CoordinateGrid SheetCoordinateSystem initialization
Updated dataviews submodule reference
Set default rows/cols to 11 in CFProjection.grid() to view central CF
Simplified grid method on CFProjection
Updated dataviews submodule reference