travelmate: update 1.2.0

travelmate: update 1.2.0

* union 'automatic' and 'trigger' mode, now much more responsive
  if an uplink suddenly disappears
* tidy up (disable) travelmate related uplink connections
  if you disable the service
* change default config ('trm_automatic' removal)
* documentation update
* LuCI: remove needless 'automatic' and 'trigger' options
  plus small fixes

Signed-off-by: Dirk Brenken <dev@brenken.org>