install 04.pix/27.bitmap_font.pd example
check for real function in zlib

rather than dummy "main"
check for real function in wsock32

rather than dummy "main".
this commit is really UNTESTED on relevant platforms (w32)
Merge remote-tracking branch 'avilleret/master'
added short explanation
notes about framebuffer limitation

and how to set your own picture
added more patches/data to "install" target