Use new coding style in game modules

Lots of refactoring and changes
Remove docs folder

modules/game_tibiafiles/tibiafiles.lua

@@ -1,6 +1,4 @@
-TibiaFiles = {}
-
-function TibiaFiles.init()
+function init()
   if not g_things.loadDat('/game_tibiafiles/Tibia.dat') then
     fatal(tr("Unable to load dat file, please place a valid Tibia dat in modules/game_tibiafiles/Tibia.dat"))
   end
@@ -9,5 +7,5 @@ function TibiaFiles.init()
   end
 end
 
-function TibiaFiles.terminate()
+function terminate()
 end

modules/game_tibiafiles/tibiafiles.otmod

@@ -2,10 +2,7 @@ Module
   name: game_tibiafiles
   description: Contains tibia spr and dat
   reloadable: false
-
-  @onLoad: |
-    dofile 'tibiafiles'
-    TibiaFiles.init()
-
-  @onUnload: |
-    TibiaFiles.terminate()
+  sandboxed: true
+  scripts: [tibiafiles.lua]
+  @onLoad: init()
+  @onUnload: terminate()