Update NSIS syntax for newest NSIS. That fix from David O'Shea.
Set config.nmake to get non-cygwin version of Python.exe; cygwin version
is fouling up on me and I'm not sure why.
svn path=/trunk/; revision=3705
perl and man2html. Don't call this makefile from the parent makefile
as not everyone will want to create documentation.
Add a couple variables to config.nmake to support this.
svn path=/trunk/; revision=3119