x11vnc: touchscreen uinput support and Java viewer mousewheel support.  See x11vnc/ChangeLog for rest.

x11vnc: small tweaks to Xdummy, rx11vnc*.  Apply SMALL_FOOTPRINT to -appshare text.  Copyright year change.

entire desktop. map port + 5500 in reverse connect.  Add id_cmd remote
control functions for id (and other) windows.  Allow zero port in SSL
reverse connections.  Adjust delays between multiple reverse connections;
X11VNC_REVERSE_SLEEP_MAX env var.  Add some missing mutex locks; add
INPUT_LOCK and threads_drop_input.  More safety in -threads mode for
new framebuffer change.  Fix some stderr leaking in -inetd mode.

key bug.