Implemented taxonomy administration pages

- create term, vocabulary, add or remove term from vocabularies, ...
Fixed content editing related to taxonomy  (especially with multiple terms vs tags).
Fixed various SQL storage issue related to taxonomy and vocabularies.
Added CMS_RESPONSE.wsf_theme as helper.

modules/admin/handler/cms_admin_response.e

@@ -8,30 +8,10 @@ class
 
 inherit
 	CMS_RESPONSE
-		redefine
-			make,
-			initialize
-		end
 
 create
 	make
 
-feature {NONE} -- Initialization
-
-	make (req: WSF_REQUEST; res: WSF_RESPONSE; a_api: like api)
-		do
-			create {WSF_NULL_THEME} wsf_theme.make
-			Precursor (req, res, a_api)
-		end
-
-	initialize
-		do
-			Precursor
-			create {CMS_TO_WSF_THEME} wsf_theme.make (Current, theme)
-		end
-
-	wsf_theme: WSF_THEME
-
 feature -- Process
 
 	process