message: Add docker env variable support for nwsync hosted modules.
diff: @@ -90,12 +90,16 @@ copyruntimeconfiguration &
  set +e
  export LD_PRELOAD=$NWN_LD_PRELOAD
  export LD_LIBRARY_PATH=$NWN_LD_LIBRARY_PATH
  +MODULE_CMD=${NWN_MODULEURL:+-moduleurl "${NWN_MODULEURL}"}
  +MODULE_CMD=${MODULE_CMD:--module "${NWN_MODULE:-DockerDemo}"}
  +
  exec ./nwserver-linux \
  $NWN_EXTRA_ARGS \
  -port ${NWN_PORT:-5121} \
  -interactive \
  -servername "${NWN_SERVERNAME:-I was too lazy to configure my server.}" \
  - -module "${NWN_MODULE:-DockerDemo}" \
  + $MODULE_CMD \
  + ${NWN_MODULEHASH:+-modulehash "${NWN_MODULEHASH}"} \
  -publicserver "${NWN_PUBLICSERVER:-0}" \
  -maxclients "${NWN_MAXCLIENTS:-96}" \
  -minlevel "${NWN_MINLEVEL:-1}" \
  @@ -113,5 +117,5 @@ exec ./nwserver-linux \
  -dmpassword "${NWN_DMPASSWORD}" \
  -adminpassword "${NWN_ADMINPASSWORD}" \
  -reloadwhenempty "${NWN_RELOADWHENEMPTY:-0}" \
  - -nwsyncurl "${NWN_NWSYNCURL}" \
  - -nwsynchash "${NWN_NWSYNCHASH}"
  + ${NWN_NWSYNCURL:+-nwsyncurl "${NWN_NWSYNCURL}"} \
  + ${NWN_NWSYNCHASH:+-nwsynchash "${NWN_NWSYNCHASH}"}
  