czmq-cygwin

Implement a definitive build for cygwin targets.

What's changed: ./Makefile.am Add cygwin-specific target mostly the same as mingw ./configure.ac Add cygwin-specific target mostly the same as mingw ./model/build-autoconf.gsl Make changes for cygwin-specific targets ./model/build-cmake.gsl Make changes for cygwin-specific targets ./model/generate Make changes for cygwin-specific targets ./model/generate.bat Make changes for cygwin-specific targets ./model/project.gsl Make changes for cygwin-specific targets ./model/Makemodule.am Make changes for cygwin-specific targets

What's new: ./README.cygwin This file ./INSTALL.cygwin Notes on installing for cygwin ./builds/cygwin Folder for cygwin-specific build files ./builds/cygwin/Makefile.cygwin Makefile for cygwin targets ./model/build-cygwin.gsl Add cygwin-specific target mostly the same as mingw