Shared-dataverse-information

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- Forms ClassifyRequestDataForm and LayerAttributeRequestForm are no longer inheriting from APIValidateHelperForm
- Note, this is being re-configured to use regular auth for the WorldMap instead of a token

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- Added DataTableResponse

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- Added DataTableUploadForm (+ uploaded_file field)
- Added attributes to TableUploadAndJoinRequest

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Added worldmap_datatables for geoconnect API
- Added TableJoinResult, TableJoinResultForm
- Added TableJoinRequest, TableJoinRequestForm
- Added MapLatLngLayerRequest, MapLatLngLayerRequestForm

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Added TABULAR_TYPES in the DataverseInfo model

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Use forms to reduce size of map_image_link. Change bbox decimal precision to 4. See "def format_to_len255"