JAVA-11241 Added missing pom.xml for container modules and other cleanup

cas/cas-secured-app/pom.xml

@@ -10,10 +10,9 @@
     <description>Demo project for CAS</description>
 
     <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-2</artifactId>
+        <groupId>com.baeldung.cas</groupId>
+        <artifactId>cas</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>

cas/cas-secured-app/src/main/java/com/baeldung/cassecuredapp/CasSecuredApplication.java

@@ -88,7 +88,6 @@ public class CasSecuredApplication {
     @Bean
     public SingleSignOutFilter singleSignOutFilter() {
         SingleSignOutFilter singleSignOutFilter = new SingleSignOutFilter();
-        singleSignOutFilter.setCasServerUrlPrefix("https://localhost:8443");
         singleSignOutFilter.setLogoutCallbackPath("/exit/cas");
         singleSignOutFilter.setIgnoreInitConfiguration(true);
         return singleSignOutFilter;

cas/pom.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung.cas</groupId>
+    <artifactId>cas</artifactId>
+    <name>cas</name>
+    <packaging>pom</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-boot-2</relativePath>
+    </parent>
+
+    <modules>
+        <module>cas-secured-app</module>
+    </modules>
+
+</project>