DOS ain't dead

http://bjoern.hoehrmann.de/pngwolf/

http://css-ig.net/png-tools-overview (huge page, cca in the middle of the height there are the hot binaries)

http://css-ig.net/tools/zip/pngwolf-zlib-zopfli.zip

http://css-ig.net/tools/zip/zopflipng.zip

Results:

- WOLF worx in DOS and does some "new" optimizations (so OPTIPNG + WOLF can beat PNGOUT on some (only truecolor ?) images)

- ZOPFLIPNG doesn't work with HX and brews rather strange BUG "floating support not loaded" WtF ???

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