Merge lp:~widelands-dev/widelands/empire-string-fix into lp:widelands

[hessenfarmer]

semantic fix of a string in empire 04 that got wrong in the last scenario improvement branch.

replace dismantle by destroy as by the time the message is triggered there is no option to dismantle

[GunChleoc (gunchleoc)]

@bunnybot merge

review: Approve

[bunnybot (widelandsofficial)]

Continuous integration builds have changed state:

Travis build 4034. State: passed. Details: https://travis-ci.org/widelands/widelands/builds/432687258.
Appveyor build 3830. State: success. Details: https://ci.appveyor.com/project/widelands-dev/widelands/build/_widelands_dev_widelands_empire_string_fix-3830.

=== modified file 'data/campaigns/emp04.wmf/scripting/texts.lua'
--- data/campaigns/emp04.wmf/scripting/texts.lua	2018-09-08 11:25:18 +0000
+++ data/campaigns/emp04.wmf/scripting/texts.lua	2018-09-24 20:17:23 +0000
@@ -330,7 +330,7 @@
       _([[So, we urgently need to recover the plans regarding the construction and operation of farms. One older constructor told me that they might have been concealed in a cave in the hills east of our border.]])
       .. paragraphdivider() ..
       -- TRANSLATORS: Amalea
-      _([[Until we have found the plans, the only option for our farms is to dismantle them.]]))
+      _([[Until we have found the plans, the only option for our farms is to destroy them.]]))
       .. new_objectives(obj_find_farm_plans),
    posy=1,
    h=500,