Changes to applications poms:

* Suport maven-exec-plugin in the same way as the shade plugin, so
        $ mvn exec:java
    is all you need to do to run an app
* Update README
* Fix dependencies to nail Spring version

pom.xml

@@ -320,6 +320,11 @@
 				<artifactId>spring-aop</artifactId>
 				<version>${dependency.springframework.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>org.springframework</groupId>
+				<artifactId>spring-beans</artifactId>
+				<version>${dependency.springframework.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.springframework</groupId>
 				<artifactId>spring-expression</artifactId>