Threedigrid-builder

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- Change in calculation_type type order of connection nodes. Embedded comes first.

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- Fixed the ordering of nodes and lines within node/line types.

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- Snap 2D boundary conditions to the closest edge if they are completely outside of the
model domain.

- Raise SchematisationError instead of an internal error if the spatialite version is
below 173.

- Raise FileNotFound instead of creating an empty file if spatialite does not exist.

- Added manhole fields (manhole_indicator, shape, width, surface_level) to nodes.

- Removed data from nodes.bottom_level for non-manhole nodes.

- Added dist_calc_points and material to lines.

- Added cross section width, height, shape to lines.

- Added sewerage_type (pipes) and sewerage (weirs/orifices) to lines.

- Added friction_type and friction_value (pipes/culverts/weirs/orifices) to lines.

- Fix: accept unknown sewerage types.

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- Added crest level and crest type to to lines.

- Added connection node start and end id to lines.

- Handle non-ASCII characters in gridadmin HDF5 output.

- Fixed node ids in groundwater lines (they now connect groundwater cells instead of
open water cells).

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- Small fix for use_2d_flow setting.

- Added zoom_category to nodes, lines and pumps.

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- Add nodm and nodn for 2D boundary nodes.

- Handle use_2d_flow setting.

- Added display_name to nodes, lines and pumps.