Dask-geomodeling

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- Renamed the package to dask-geomodeling.

- Integrated the settings with dask.config.

- Added BSD 3-Clause license.

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- Remove raster-store dependency.

- Removed RasterStoreSource, ThreediResultSource, Result, Interpolate,
DeprecatedInterpolate, GeoInterface, and GroupTemporal geoblocks.

- Removed all django blocks GeoDjangoSource, AddDjangoFields, GeoDjangoSink.

- Simplified tokenization of Block objects.

- Implemented construct_multiple to construct multiple blocks at once.

- Implemented MemorySource and GeoTIFFSource as new raster sources.

- Add `Cumulative` geoblock for performing temporal cumulatives.

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- Add `TemporalAggregate` geoblock for performing temporal aggregates on
raster data.

- Fix raster math geoblocks to not have byte-sized integers 'wrap around'
when they are added. All integer-types are now at least int32 and all float
types at least float32.

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- Made GeoDjangoSource backwards compatible with existing graph definitions.

- Fix Interpolate wrapper.

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- Added new parameter `filters` to GeoDjangoSource.

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- Classify block return single series with dtype of `labels`
if `labels` are floats or integers.