Modules compatibility: compatibility with NGX_THREADS. With this change it is now possible to load modules compiled without the "--with-threads" configure option into nginx binary compiled with it, and vice versa (if a module does not use thread-specific functions), assuming both use the "--with-compat" option.

make -f misc/GNUmakefile release

the required tools:
*) xsltproc to build CHANGES,
*) xslscript.pl ( http://hg.nginx.org/xslscript ) to build XSLTs
   from XSLScript sources.


make -f misc/GNUmakefile icons

the required tool:
*) netpbm to create Win32 icons from xpm sources.