#4457 Python: clean up grpc api, Python client API and make installable python package (#4456)

* gRPC: Make names more consistent

* gRPC: clean up case info and improve Python API for cases

* gRPC: much more object oriented Python interface

* Python: Make a proper pip-installable package

* Update rips Python package to auto generate setup.py with version number

* Python: add setup.py to gitignore

* Python: Update Python RIPS interface

* gRPC: Remove example client from cmake file and unit test

* gRPC: Fix up unit test after merge and hide warnings

* gRPC: fix up python client code

ApplicationCode/GrpcInterface/GrpcProtos/Grid.proto

@@ -0,0 +1,34 @@
+syntax = "proto3";
+
+package rips;
+
+import "Case.proto";
+
+service Grid
+{
+	rpc GetCellCenters(GridRequest) returns(CellCenters) {}
+	rpc GetDimensions(GridRequest) returns (GridDimensions) {}
+}
+
+message GridRequest
+{
+	CaseRequest case_request = 1;
+	int32         grid_index = 2;
+}
+
+message Vec3d
+{
+	double x = 1;
+	double y = 2;
+	double z = 3;
+}
+
+message CellCenters
+{
+	repeated Vec3d centers = 1;
+}
+
+message GridDimensions
+{
+	Vec3i dimensions = 1;
+}