Fixed: Load Scenographic Editor lua files

--HG--
branch : compatibility-develop

code/ryzom/client/data/gamedev/interfaces_v3/json.lua

@@ -7,7 +7,7 @@
 -- under the terms of the MIT license. See LICENSE for details.
 --
 
-local json = { _version = "0.1.0" }
+Json = { _version = "0.1.0" }
 
 -------------------------------------------------------------------------------
 -- Encode
@@ -368,12 +368,9 @@ parse = function(str, idx)
 end
 
 
-function json.decode(str)
+function Json.decode(str)
   if type(str) ~= "string" then
     error("expected argument of type string, got " .. type(str))
   end
   return ( parse(str, next_char(str, 1, space_chars, true)) )
 end
-
-
-return json

code/ryzom/client/data/gamedev/interfaces_v3/webig_widgets.xml

@@ -4,7 +4,9 @@
 <interface_config>
 	<root id="interface" x="0" y="0" w="800" h="600" active="true" />
 	<lua file="webig.lua" />
-
+	<lua file="json.lua" />
+	<lua file="sceneedit.lua" />
+	
 <!-- //////////// STYLE : webigchat_desc /////////// -->
 	<style style="webigchat_desc" type="text" fontsize="12" justification="dont_clip_word" color="0 0 0 255" global_color="false" multi_line="true" multi_line_space="0" line_maxw="320" multi_line_maxw_only="true" />
 <!-- //////////// STYLE : webigchat_option /////////// -->