+ upgrade to AJ 1.6.8

+ add dedicated section for Tomcat 5.5 and Tomcat 6 LTW setup (so it's clearer)

pom.xml

@@ -9,7 +9,7 @@
 	<version>1.0.0-SNAPSHOT</version>
 	<properties>
 		<spring.version>3.0.0.RELEASE</spring.version>
-		<slf4j.version>1.5.10</slf4j.version>
+		<slf4j.version>1.5.6</slf4j.version>
 	</properties>
 	<dependencies>
 
@@ -46,7 +46,7 @@
 		<dependency>
 			<groupId>org.aspectj</groupId>
 			<artifactId>com.springsource.org.aspectj.weaver</artifactId>
-			<version>1.6.5.RELEASE</version>
+			<version>1.6.8.RELEASE</version>
 		</dependency>
 
 		<!-- Logging -->

src/main/webapp/META-INF/context.xml

 <!-- Tomcat context descriptor used for specifying a custom ClassLoader -->
 <!-- Useful for allowing web-app wide (as opposed to VM or container wide) class instrumentation -->
 <Context path="/petclinic" reloadable="false">
-	<!-- please note that useSystemClassLoaderAsParent is available only in Tomcat 5.5.x since Tomcat 5.5.20. Remove it if Tomcat 6 is used -->
+	<!-- Tomcat 6.x or higher -->
 	<!--  
+	<Loader loaderClass="org.springframework.instrument.classloading.tomcat.TomcatInstrumentableClassLoader"/>
+	-->
+	
+	<!-- Tomcat 5.5.x (higher then 5.5.20) -->
+	<!--
 	<Loader loaderClass="org.springframework.instrument.classloading.tomcat.TomcatInstrumentableClassLoader" useSystemClassLoaderAsParent="false"/>
 	-->
+	
 </Context>