if (vout_Control VOUT_REPARENT is called giving a Drawable in args)
then 
     that Drawable is used as new parent
otherwise
     DefaultRootWindow will be the parent
     

+ some misc test cleanup

CSS is not yet disabled as it is hidden from us by libdvdnav/libdvdplay

- boostrap: make configure.ac happy when detecting contribs build on Cygwin
- Makefile: cleanup, fixed extraction of files containing invalid characters (on DOS LFN), gpg-error compiling

    .pc hqve been fixed upstream
    delete empty win32 patch
    temporarly disable install patch. it works fine without on debian and macOSX. FC4 to be investigated

   possible to load a skin on Windows when logged with an account containing
   non-english characters.