Added a CMS_ENCODER utility class.

Added a block header template: smarty engine.
Added a menu template: smarty engine.

cms/src/kernel/content/cms_encoders.e

@@ -0,0 +1,35 @@
+note
+	description: "Summary description for {CMS_ENCODERS}."
+	author: ""
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	CMS_ENCODERS
+
+feature -- Encoders
+
+	url_encoded (s: detachable READABLE_STRING_GENERAL): STRING_8
+		local
+			enc: URL_ENCODER
+		do
+			create enc
+			if s /= Void then
+				Result := enc.general_encoded_string (s)
+			else
+				create Result.make_empty
+			end
+		end
+
+	html_encoded (s: detachable READABLE_STRING_GENERAL): STRING_8
+		local
+			enc: HTML_ENCODER
+		do
+			create enc
+			if s /= Void then
+				Result := enc.general_encoded_string (s)
+			else
+				create Result.make_empty
+			end
+		end
+end