improved the readme

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@399756 13f79535-47bb-0310-9956-ffa450edef68

Author: jstrachan

activemq-web-demo/README.txt

@@ -1,7 +1,12 @@
+Welcome to the Web Demo which shows how to use ActiveMQ with REST and Ajax services
 
-This web app demostrates the ability of the activemq-web jar.
-To run the webapp, the jetty plugin may be used:
+To run the console you must install a recent distro of Maven
+such as version 2.0.4 or later
+	
+		http://maven.apache.org/
 
-  mvn jetty6:run
+You can then run the ActiveMQ Web Console via the following command.
+
+	mvn jetty6:run