Moved all *_CONTEXT_* router related classes into wsf_router_context.ecf library

This makes wsf simpler to discover.
And advanced context enabled handler, mapping, ... are still available for now in wsf_router_context.ecf library

library/server/wsf/router_context/wsf_router_context_mapping.e

@@ -0,0 +1,41 @@
+note
+	description: "Summary description for {WSF_ROUTER_CONTEXT_MAPPING}."
+	author: ""
+	date: "$Date$"
+	revision: "$Revision$"
+
+deferred class
+	WSF_ROUTER_CONTEXT_MAPPING [C -> WSF_HANDLER_CONTEXT create make end]
+
+inherit
+	WSF_ROUTER_MAPPING
+		redefine
+			debug_output
+		end
+
+feature -- Access		
+
+	handler: WSF_CONTEXT_HANDLER [C]
+			-- Handler associated with Current mapping.
+		deferred
+		end
+
+feature -- Status report
+
+	debug_output: STRING
+			-- String that should be displayed in debugger to represent `Current'.
+		do
+			Result := Precursor + " {" + ({C}).name + "}"
+		end
+
+note
+	copyright: "2011-2012, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Eiffel Software and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
+	source: "[
+			Eiffel Software
+			5949 Hollister Ave., Goleta, CA 93117 USA
+			Telephone 805-685-1006, Fax 805-685-6869
+			Website http://www.eiffel.com
+			Customer support http://support.eiffel.com
+		]"
+end