Removed versions were overriding a previous definition

.settings/.gitignore

@@ -0,0 +1 @@
+/org.eclipse.core.resources.prefs

pom.xml

@@ -774,14 +774,12 @@
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
 				<artifactId>buildnumber-maven-plugin</artifactId>
-                <version>1.4</version>
             </plugin>
 
 			<!-- enforce integration build requirements -->
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-enforcer-plugin</artifactId>
-				<version>${maven-enforcer-plugin-version}</version>
 				<executions>
 					<execution>
 						<id>enforce-files-exist</id>