cleanup pom (#1836)

* upgrade to spring boot 1.5.2

* add full update to REST API

* modify ratings controller

* upgrade herold

* fix integration test

* fix integration test

* minor fix

* fix integration test

* fix integration test

* minor cleanup

* minor cleanup

* remove log4j properties

* use standard logbook.xml

* remove log4j dependencies

* remove commons-logging

* merge

* fix conflict

* exclude commons-logging dependency

* cleanup

* minor fix

* minor fix

* fix dependency issues

* Revert "fix dependency issues"

This reverts commit 83bf1f9fd2e1a9a55f9cacb085669568b06b49ec.

* fix dependency issues

* minor fix

* minor fix

* minor fix

* cleanup generated files

* fix commons-logging issue

* add parent to pom

* cleanup parent dependencies

* cleanup pom

immutables/pom.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    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</groupId>
@@ -12,8 +11,8 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-     </parent>
-     
+    </parent>
+
     <dependencies>
         <dependency>
             <groupId>org.immutables</groupId>
@@ -33,10 +32,10 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
-    
+
     <properties>
         <immutables.version>2.3.10</immutables.version>
         <assertj.version>3.6.1</assertj.version>
-        <mutabilitydetector.version>0.9.6</mutabilitydetector.version>        
+        <mutabilitydetector.version>0.9.6</mutabilitydetector.version>
     </properties>
 </project>