ENH: add the unix makefile generator as an option from the windows GUI, this builds with mingw, cygwin, and combinations of make cl, bcc32

ENH: Added use of KWSYS_HEADER macro in c and cxx files to include kwsys headers through their configured namespace.

ENH: Add optional argument to GetLineFromStream which can let the caller know whether there was a new line character at the end of the line that was just read

ENH: Added wrappers around the std stream headers to make them look like ansi streams on all platforms.