Use a unique version of enforcer plugin.

pom.xml

@@ -653,7 +653,6 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-enforcer-plugin</artifactId>
-					<version>1.0.1</version>
 					<executions>
 						<execution>
 							<id>enforce</id>
@@ -804,7 +803,6 @@
 									<pluginExecutionFilter>
 										<groupId>org.apache.maven.plugins</groupId>
 										<artifactId>maven-enforcer-plugin</artifactId>
-										<versionRange>1.0.1</versionRange>
 										<goals>
 											<goal>enforce</goal>
 										</goals>
@@ -885,7 +883,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-enforcer-plugin</artifactId>
-
+				<version>3.0.0-M3</version>
 			</plugin>
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
@@ -928,7 +926,6 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-enforcer-plugin</artifactId>
-				<version>3.0.0-M3</version>
 				<executions>
 					<execution>
 						<id>enforce-files-exist</id>