compas-dev/compas: COMPAS 1.9.0

Added Added draw_vertexlabels, draw_edgelabels, draw_facelabels, draw_vertexnormals, and draw_facenormals to compas_blender.artists.MeshArtist. Added optional triangulated flag to to_vertices_and_faces of all shapes. Added compas.geometry.Geometry base class. Added __add__, __sub__, __and__ to compas.geometry.Shape for boolean operations using binary operators. Added is_closed to compas.geometry.Polyhedron. Added Plane.offset. Added compas.artists.Artist. Added pluggable compas.artists.new_artist. Added plugin compas_rhino.artists.new_artist_rhino. Added plugin compas_blender.artists.new_artist_blender. Added compas.artist.DataArtistNotRegistered. Added draw_node_labels and draw_edgelabels to compas_blender.artists.NetworkArtist. Added compas_blender.artists.RobotModelArtist.clear. Added compas_blender.geometry.booleans as plugin for boolean pluggables. Added version-based installation for Blender. Added several shape artists to compas_ghpython: BoxArtist, CapsuleArtist, ConeArtist, CylinderArtist, PolygonArtist, PolyhedronArtist, SphereArtist, TorusArtist and VectorArtist. Added support for CLR generic dictionaries to the compas.data decoders. Added Graph.node_sample, Graph.edge_sample. Added Halfedge.vertex_sample, Halfedge.edge_sample, Halfedge.face_sample. Added Halfface.vertex_sample, Halfface.edge_sample, Halfface.face_sample, Halfface.cell_sample. Added Mesh.from_meshgrid. Changed Fixed bug in compas_blender.draw_texts. Changed compas_rhino.artists.BaseArtist to compas_rhino.artists.RhinoArtist. Changed compas_blender.artists.BaseArtist to compas_blender.artists.BlenderArtist. Changed default resolution for shape discretisation to 16 for both u and v where relevant. Changed base class of compas.geometry.Primitive and compas.geometry.Shape to compas.geometry.Geometry. compas_blender.artists.RobotModelArtist.collection can be assigned as a Blender collection or a name. Generalized the parameter color of compas_blender.draw_texts and various label drawing methods. Changed compas.IPY to compas.RHINO in orientation_rhino. Changed planarity to requires_extra for pip installations. Fixed bug in handling of ngonal meshes in compas_ghpython artists / drawing functions. Remove