Extracted page support from cms_node_module, and add a proper CMS_PAGE_MODULE.

- now, the CMS_PAGE_MODULE has to be declared in the related CMS_SETUP via CMS_EXECUTION.
   (See demo for example)

Improved the export facilities.
  Implemented blog and page export.
Added import facilities.
  Implemented blog and page import.

Improved node revision web interface (allow to edit a past revision, in order to restore it as latest revisionm i.e current).
Removed specific tag from blog module, and reuse the taxonomy module for that purpose.

Added WIKITEXT module that provide a WIKITEXT_FILTER, so now we can have wikitext content.
   - for now, no support for wiki links such as [[Foobar]].

src/service/cms_api.e

@@ -804,7 +804,7 @@ feature -- Environment/ modules and theme
 
 feature -- Hook	
 
-	export_to (a_export_id_list: detachable ITERABLE [READABLE_STRING_GENERAL]; a_export_parameters: CMS_EXPORT_PARAMETERS; a_response: CMS_RESPONSE)
+	export_to (a_export_id_list: detachable ITERABLE [READABLE_STRING_GENERAL]; a_export_ctx: CMS_EXPORT_CONTEXT; a_response: CMS_RESPONSE)
 			-- <Precursor>.
 		local
 			p: PATH
@@ -816,14 +816,14 @@ feature -- Hook
 		do
 			if attached a_response.has_permissions (<<"admin export", "export core">>) then
 				if a_export_id_list = Void then -- Include everything
-					p := a_export_parameters.location.extended ("core")
+					p := a_export_ctx.location.extended ("core")
 					create d.make_with_path (p)
 					if not d.exists then
 						d.recursive_create_dir
 					end
 
 						-- path_aliases export.
-					a_export_parameters.log ("Exporting path_aliases")
+					a_export_ctx.log ("Exporting path_aliases")
 					create jo.make_empty
 					across storage.path_aliases as ic loop
 						jo.put_string (ic.item, ic.key)
@@ -835,7 +835,7 @@ feature -- Hook
 
 						-- custom_values export.					
 					if attached storage.custom_values as lst then
-						a_export_parameters.log ("Exporting custom_values")
+						a_export_ctx.log ("Exporting custom_values")
 						create ja.make_empty
 						across
 							lst as ic
@@ -857,7 +857,7 @@ feature -- Hook
 					end
 
 						-- users export.
-					a_export_parameters.log ("Exporting users")
+					a_export_ctx.log ("Exporting users")
 					create jo.make_empty
 
 					create jobj.make_empty
@@ -1016,7 +1016,7 @@ feature {NONE} -- Implementation: current user
 		end
 
 note
-	copyright: "2011-2016, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
+	copyright: "2011-2017, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 end
 

src/service/cms_execution.e

@@ -264,19 +264,9 @@ feature -- Filters
 
 	setup_filter
 			-- Setup `filter'.
-		local
-			f: WSF_FILTER
 		do
 			api.logger.put_debug (generator + ".setup_filter", Void)
-
-			from
-				f := filter
-			until
-				not attached f.next as l_next
-			loop
-				f := l_next
-			end
-			f.set_next (Current)
+			append_filter (Current)
 		end
 
 feature -- Execution
@@ -331,7 +321,7 @@ feature -- Execution
 		end
 
 note
-	copyright: "2011-2016, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
+	copyright: "2011-2017, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 	source: "[
 			Eiffel Software

src/service/user/cms_user_api.e

@@ -22,7 +22,7 @@ feature -- Access: user
 			Result := storage.user_by_id (a_id)
 		end
 
-	user_by_name (a_username: READABLE_STRING_32): detachable CMS_USER
+	user_by_name (a_username: READABLE_STRING_GENERAL): detachable CMS_USER
 			-- User by name `a_user_name', if any.
 		do
 			Result := storage.user_by_name (a_username)
@@ -407,6 +407,6 @@ feature -- Change Temp User
 		end
 
 note
-	copyright: "2011-2016, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
+	copyright: "2011-2017, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 end