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 83bf1f9fd2.

* 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

spring-state-machine/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">
     <parent>
         <artifactId>parent-modules</artifactId>
         <groupId>com.baeldung</groupId>
@@ -20,7 +19,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-test</artifactId>
-            <version>4.3.7.RELEASE</version>        
+            <version>4.3.7.RELEASE</version>
         </dependency>
 
         <dependency>