handle eressea.ini containing a 0 to disable modules

scripts/eressea/autoseed.lua

@@ -1,4 +1,4 @@
-if not config.autoseed then return nil end
+if not config.autoseed or config.autoseed==0 then return nil end
 local autoseed = {}
 
 -- minimum required resources in the 7-hex neighborhood:

scripts/eressea/embassy.lua

@@ -1,6 +1,6 @@
 -- Muschelplateau
 
-if not config.embassy then return nil end
+if not config.embassy or config.embassy==0 then return nil end
 
 local embassy = {}
 local home = nil

scripts/eressea/eternath.lua

@@ -1,5 +1,5 @@
 -- DEPRECATED
-if not config.eternath then return nil end
+if not config.eternath or config.eternath==0 then return nil end
 -- implements parts of a quest in E2
 -- this module is deprecated, because it puts functions in the global environment for at_building_action
 

scripts/eressea/ponnuki.lua

@@ -1,4 +1,4 @@
-if not config.ponnuki then return nil end
+if not config.ponnuki or config.ponnuki==0 then return nil end
 local ponnuki = {}
 
 local directions = { "NW", "NO", "O", "SO", "SW", "W" }

scripts/eressea/wedding.lua

@@ -1,5 +1,5 @@
 -- DEPRECATED
-if not config.wedding then return nil end
+if not config.wedding or config.wedding==0 then return nil end
 
 -- this script contains the action functions for the two portals
 -- used on the jadee/wildente wedding island. the two _action functions

scripts/eressea/xmas.lua

@@ -1,4 +1,4 @@
-if not config.xmas then return nil end
+if not config.xmas or config.xmas==0 then return nil end
 
 local gifts = {
     e2 = {