updated cmakelists and build.md for windows
updating build instructions
updating build instructions..
Update BUILD.md
Update BUILD.md
Update BUILD.md
Update BUILD.md
Update BUILD.md
Update BUILD.md
Update BUILD.md
Merge pull request #386 from rorywalsh/develop

Tested this and it builds fine here.  Only thing is this change does not address linking to pthread statically.  We'll need to figure that out so that it works out of the box on Windows with CMake.