Extracted the WIDGET and FORM classes out of "cms" component

and build the wsf_html library which also include the previous css lib.

library/server/wsf_html/css/css_selector.e

@@ -0,0 +1,27 @@
+note
+	description: "Summary description for {CSS_SELECTOR}."
+	author: ""
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	CSS_SELECTOR
+
+create
+	make_from_string
+
+convert
+	make_from_string ({READABLE_STRING_8, STRING_8, IMMUTABLE_STRING_8})
+
+feature {NONE} -- Initialization
+
+	make_from_string (s: READABLE_STRING_8)
+		do
+			string := s
+		end
+
+feature -- Conversion
+
+	string: READABLE_STRING_8
+
+end