Smart Networks

The problem described [here](https://stackoverflow.com/questions/30968573/stdbind-and-perfect-forwarding) The fast solution - specify exact type of overloaded function passed to Functional: ` push_back(Functional(static_cast(torch::log_softmax), 1, torch::nullopt)); `

The issue described [here](https://stackoverflow.com/questions/6912988/glgenframebuffers-or-glgenframebuffersext) and [here](https://stackoverflow.com/questions/14413/using-opengl-extensions-on-windows) set BUILD_opencv_rgbd=OFF for fast build fix

RCLONE_* is a predefined prefix of rclone options. just rename env variable. for ex MY_RCLONE_VERSION

error: field type 'zipkin::OtSpanContext' is an abstract class opentracing-cpp/v1.6.0/include/opentracing/span.h:34:40: note: unimplemented pure virtual method 'Clone' in 'OtSpanContext' virtual std::unique_ptr Clone() const noexcept = 0;