Added more content to the tutorial

examples/tutorial/step_2/hello/alternatives/launcher/hello_application.e

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+note
+	description: "[
+				APPLICATION implements the "Hello World" service.
+
+				It inherits from WSF_DEFAULT_SERVICE to get default EWF connector ready
+				only `execute' needs to be implemented.
+
+			]"
+
+class
+	HELLO_APPLICATION
+
+inherit
+	WSF_RESPONSE_SERVICE
+
+create
+	make_and_launch
+
+feature {NONE} -- Initialization
+
+	make_and_launch
+		local
+			launcher: WSF_DEFAULT_SERVICE_LAUNCHER
+			opts: detachable WSF_SERVICE_LAUNCHER_OPTIONS
+		do
+			--| Uncomment the following line, to read options from "ewf.ini" configuration file
+			--	create {WSF_SERVICE_LAUNCHER_OPTIONS_FROM_INI} opts.make_from_file ("ewf.ini")
+
+			create launcher.make_and_launch (Current, opts)
+		end
+
+feature {NONE} -- Initialization
+
+	response (req: WSF_REQUEST): WSF_PAGE_RESPONSE
+		do
+			create Result.make
+			Result.put_string ("Hello World")
+		end
+
+end

examples/tutorial/step_2/hello/alternatives/launcher/hello_with_launcher.ecf

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+<?xml version="1.0" encoding="ISO-8859-1"?>
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-9-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-9-0 http://www.eiffel.com/developers/xml/configuration-1-9-0.xsd" name="hello_with_launcher" uuid="00871FE9-7114-4A09-BF4F-C0B833D4F1CB">
+
+	<target name="hello_with_launcher">
+		<file_rule>
+			<exclude>/EIFGENs$</exclude>
+			<exclude>/CVS$</exclude>
+			<exclude>/.svn$</exclude>
+		</file_rule>
+		<root class="HELLO_APPLICATION" feature="make_and_launch"/>
+		<option warning="true" is_attached_by_default="true" void_safety="all" syntax="transitional">
+			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
+		</option>
+		<library name="base" location="$ISE_LIBRARY\library\base\base-safe.ecf"/>
+		<library name="wsf" location="..\..\..\..\..\..\library\server\wsf\wsf-safe.ecf"/>
+		<library name="default_nino" location="..\..\..\..\..\..\library\server\wsf\default\nino-safe.ecf"/>
+		<cluster name="src" location=".\"/>
+	</target>
+
+</system>