cleanup parent dependencies (#1828)

* 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

flyway/pom.xml

@@ -27,20 +27,10 @@
                 <artifactId>flyway-maven-plugin</artifactId>
                 <version>${flyway-maven-plugin.version}</version>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
-                <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                </configuration>
-            </plugin>
         </plugins>
     </build>
     <properties>
         <mysql.version>6.0.5</mysql.version>
         <flyway-maven-plugin.version>4.0.3</flyway-maven-plugin.version>
-        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
     </properties>
 </project>