* wesnoth-mode.el (wesnoth-check-display-type): Set to t by default.

* wesnoth-mode.el (wesnoth-check-display-type): Set to t by default.
  (wesnoth-newline): Create newline before attempting indentation.
  (wesnoth-check-process): Handle new overlay placement rules (always place
  some sort of overlay).
  (wesnoth-locate-warning): Rewritten.  Now behaves correctly, but no longer
  behaves with non-wesnoth-mode overlays.
  (wesnoth-forward-warning, wesnoth-backword-warning): Adjusted accorindly.
  (wesnoth-place-overlay): Always place an overlay.  New argument to determine
  whether the overlay is to be visible.
  (wesnoth-check-wml): Set *WML* buffer to read-only.
  (wesnoth-idle-warning-check): Can now be given optional argument of `0' to
  disable timer.
  (wesnoth-warnings-at-point): Only display warning if 'error property of
  overlay is a string.  Therefore, don't display warning information if
  reporting is set to summary-only.