Julia-VS2017

test Julia embedding into Visual Studio 2017 and two-way communication.

The project similar to the example from https://docs.julialang.org/en/v1/manual/embedding/#High-Level-Embedding-on-Windows-with-Visual-Studio-1

To run it:

1. add new JULIA_DIR variable to system environment,
2. add bin folder under JULIA_DIR to PATH variable.