increase rfbMaxClientWait when threaded to avoid ReadExact() timeouts for some viewers.

 modify configure.ac to pick up -lXinerama

 -debug_pointer, and -debug_keyboard
 add reverse connections, keysym remapping,
 and debug output option

 add clipboard/selection handling.
 add visual option (mostly for testing and workarounds).
 improve shm cleanup on failures.

 improved pointer input handling during drags, etc.
 somewhat faster copy_tiles() -> copy_tiles()
 x11vnc options -buttonmap -old_pointer -old_copytile

 minimize memory usage under -nofb

        * Makefile.in, */Makefile.in, aclocal.m4,
          bootstrap.sh, config.h.in, configure,
          depcomp, install-sh, missing, mkinstalldirs,
        Removed auto-generated files from CVS.

API change: Bool, KeySym, Pixel get prefix "rfb"; constants in rfbconfig.h get prefix "LIBVNCSERVER_"

fixed maxRectsPerUpdate with Tight encoding bug; some autoconfing; stderr should not be used in a library (use rfbLog instead)