[Commits] [wesnoth/wesnoth] 7835e0: Fix [animate_unit][facing] not working.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 7835e05d93727f0f7e276480cee54b0222064bc7
      https://github.com/wesnoth/wesnoth/commit/7835e05d93727f0f7e276480cee54b0222064bc7
  Author: Celtic Minstrel <celtic.minstrel.ca at some.place>
  Date:   2017-04-09 (Sun, 09 Apr 2017)

  Changed paths:
    M data/lua/wml/animate_unit.lua
    M src/scripting/game_lua_kernel.cpp

  Log Message:
  -----------
  Fix [animate_unit][facing] not working.

This also tweaks the animator:add() API, replacing the facing key
with a target key and requiring it to be an adjacent location.