[Commits] [wesnoth/wesnoth] 822f98: HttT S17: Fix lava issues (#2249)

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 822f98b754fda5e6f8dba5a1641c8dc6be4bec77
      https://github.com/wesnoth/wesnoth/commit/822f98b754fda5e6f8dba5a1641c8dc6be4bec77
  Author: Jeffrey 'Sigurd' Westcoat <jjwcoat at gmail.com>
  Date:   2017-11-30 (Thu, 30 Nov 2017)

  Changed paths:
    M data/campaigns/Heir_To_The_Throne/scenarios/17_Scepter_of_Fire.cfg

  Log Message:
  -----------
  HttT S17: Fix lava issues (#2249)

1. Undo now works again in the scenario.
2. Lava now works again.
3. Triggering on a moveto event was not good, as several shorter moves
   would make rate of lava grow much faster than fewer longer moves.