INTSAMPLES-17 added simple HTTP echo sample with inbound and outbound gateway

basic/http/src/main/resources/META-INF/spring/integration/http-outbound-config.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:int="http://www.springframework.org/schema/integration"
+	xmlns:int-http="http://www.springframework.org/schema/integration/http"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
+		http://www.springframework.org/schema/integration http://www.springframework.org/schema/integration/spring-integration-2.0.xsd
+		http://www.springframework.org/schema/integration/http http://www.springframework.org/schema/integration/http/spring-integration-http-2.0.xsd">
+
+	<int:gateway id="requestGateway" 
+	             service-interface="org.springframework.integration.samples.http.RequestGateway"
+	             default-request-channel="requestChannel"/>
+	
+	<int:channel id="requestChannel"/>
+
+	<int-http:outbound-gateway request-channel="requestChannel" 
+					           url="http://localhost:8080/http/receiveGateway"
+					           http-method="POST"
+					           expected-response-type="java.lang.String"/>
+
+</beans>

basic/http/src/main/resources/log4j.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
+<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
+
+	<!-- Appenders -->
+	<appender name="console" class="org.apache.log4j.ConsoleAppender">
+		<param name="Target" value="System.out" />
+		<layout class="org.apache.log4j.PatternLayout">
+			<param name="ConversionPattern" value="%-5p: %c - %m%n" />
+		</layout>
+	</appender>
+	<logger name="org.springframework">
+		<level value="debug" />
+	</logger>
+	
+	<logger name="org.springframework.integration.samples.multipart">
+		<level value="debug" />
+	</logger>
+
+	<!-- Root Logger -->
+	<root>
+		<priority value="warn" />
+		<appender-ref ref="console" />
+	</root>
+
+</log4j:configuration>