README.md: add notes to How to compile on Windows

Jud White

2018-03-25 c6ecf1e0420737eafeb99b27b1d716b46a6cbb7a

 .gitignore

@@ -3,6 +3,7 @@
*.csv
*.out
*.png
*.so
mnist/
data/
caffe/
@@ -22,3 +23,7 @@
Icon?
Thumbs.db
*.swp

# CMake #
cmake-build-debug/
CMakeLists.txt