Bael 6729 (#4389)

* Added parent module on poms that have no parent defined

* Removed dependency reduced pom from undertow module

* Added README

* [BAEL-6729] - Spring modules needs a spring parent

* [BAEL-6729] - Spring modules needs a spring parent

spring-dispatcher-servlet/pom.xml

@@ -11,9 +11,9 @@
 
 	<parent>
 		<groupId>com.baeldung</groupId>
-		<artifactId>parent-spring</artifactId>
+		<artifactId>parent-spring-4</artifactId>
 		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../parent-spring</relativePath>
+		<relativePath>../parent-spring-4</relativePath>
 	</parent>
 
 	<dependencies>
@@ -90,7 +90,6 @@
 	</build>
 
 	<properties>
-		<spring.version>4.3.7.RELEASE</spring.version>
 		<tomcat8-maven-plugin.version>3.0-r1655215</tomcat8-maven-plugin.version>
 		<maven-war-plugin.version>3.0.0</maven-war-plugin.version>
 	</properties>