Added building support from Windows command line. This feature allow build in parallel (all available core) and use hard links if possible. Also change configuration destiny (i. e. avx2). It really is much faster than Visual Studio GUI.
Usage: build.cmd "Release AVX".
Added usage example and GNU License comments.
Merge pull request #169 from arielsrv/master

Added building support from Windows command line. This feature allow bui...