Print info on SSH_CONNECTION override.

x11vnc: support colormaps for depths other than 8.  xinerama warppointer only if more than one subscreen.

and other proxy improvements.

        mode. -threads is now strongly discouraged.  Read PORT= in url.
        User can set nolisten for Xvfb in -create mode.  clean up
        wait_for_client() to some degree.

        tkx11vnc wrt attaching to existing server in icon/tray mode.

-display console and check DISPLAY /tmp/...:0 on macosx.
implement -noxinerama.

ssvnc sync: connect_br.tcl socks4/5 http proxies, ss_vncviewer socks5 proxy. ssh 1st proxy. whatismyip.com fix. 127.0.0.1 on Darwin

          Improvements to ss_vncviewer.  Automatically find X dpy and
          X login.  Reorganize menus a bit.  ~/.ssvncrc file.

          VNC redir.  -rawfb nullbig, randbig, solid, swirl, etc.
          FD_XDM mode to find_display.  -listdpy.  Add enlightenment.
          Xvnc.redirect FINDDISPLAY-vnc_redirect. -xvnc, -xvnc_redirect,
          -svc_xvnc. AUTO_PORT.

x11vnc: -autoport, -finddpy, -xdummy. watch xrandr events.  check_redir_services() utilities for Terminal services.  Improve Xdummy.

x11vnc: better -xkb tie-breaking for up keystrokes.  Add Xsrv/FD_XSRV custom server to FINDCREATEDISPLAY list.

x11vnc: improve FINDCREATEDISPLAY (-create) script, FD_GEOM, FD_SESS, FD_OPTS, FD_PROG env vars, add Xvnc support