Add maven BOM for Spring Batch modules

Resolves #1097

Author: Daniel Barciela

pom.xml

@@ -19,6 +19,7 @@
 		<module>spring-batch-integration</module>
 		<module>spring-batch-samples</module>
 		<module>spring-batch-docs</module>
+		<module>spring-batch-bom</module>
 	</modules>
 
 	<organization>

spring-batch-bom/pom.xml

@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.batch</groupId>
+	<artifactId>spring-batch-bom</artifactId>
+	<version>5.0.0-SNAPSHOT</version>
+	<packaging>pom</packaging>
+
+	<name>Spring Batch BOM</name>
+	<description>Bill of materials to make sure a consistent set of versions is used for
+		Spring Batch modules.
+	</description>
+	<url>https://github.com/spring-projects/spring-batch</url>
+
+	<organization>
+		<name>Pivotal Software, Inc.</name>
+		<url>https://www.spring.io</url>
+	</organization>
+
+	<scm>
+		<url>https://github.com/spring-projects/spring-batch</url>
+		<connection>scm:git:git://github.com/spring-projects/spring-batch.git</connection>
+		<developerConnection>scm:git:ssh://git@github.com:spring-projects/spring-batch.git</developerConnection>
+	</scm>
+
+	<issueManagement>
+		<system>GitHub</system>
+		<url>https://github.com/spring-projects/spring-batch/issues</url>
+	</issueManagement>
+
+	<licenses>
+		<license>
+			<name>Apache License, Version 2.0</name>
+			<url>https://www.apache.org/licenses/LICENSE-2.0</url>
+			<comments>
+				Copyright 2010 the original author or authors.
+
+				Licensed under the Apache License, Version 2.0 (the "License");
+				you may not use this file except in compliance with the License.
+				You may obtain a copy of the License at
+
+				https://www.apache.org/licenses/LICENSE-2.0
+
+				Unless required by applicable law or agreed to in writing, software
+				distributed under the License is distributed on an "AS IS" BASIS,
+				WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+				implied.
+				See the License for the specific language governing permissions and
+				limitations under the License.
+			</comments>
+		</license>
+	</licenses>
+
+
+	<dependencyManagement>
+		<dependencies>
+		
+			<dependency>
+				<groupId>org.springframework.batch</groupId>
+				<artifactId>spring-batch-core</artifactId>
+				<version>5.0.0-SNAPSHOT</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.springframework.batch</groupId>
+				<artifactId>spring-batch-infrastructure</artifactId>
+				<version>5.0.0-SNAPSHOT</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.springframework.batch</groupId>
+				<artifactId>spring-batch-integration</artifactId>
+				<version>5.0.0-SNAPSHOT</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.springframework.batch</groupId>
+				<artifactId>spring-batch-test</artifactId>
+				<version>5.0.0-SNAPSHOT</version>
+			</dependency>
+
+		</dependencies>
+	</dependencyManagement>
+
+	<pluginRepositories>
+		<pluginRepository>
+			<id>spring-libs-release</id>
+			<url>https://repo.spring.io/libs-release</url>
+		</pluginRepository>
+	</pluginRepositories>
+
+</project>

spring-batch-samples/pom.xml

@@ -15,16 +15,26 @@
 		<environment>hsql</environment>
 	</properties>
 
+	<dependencyManagement>
+	  <dependencies>
+		<dependency>
+		  <groupId>org.springframework.batch</groupId>
+		  <artifactId>spring-batch-bom</artifactId>
+		  <version>5.0.0-SNAPSHOT</version>
+		  <type>pom</type>
+		  <scope>import</scope>
+		</dependency>
+	  </dependencies>
+	</dependencyManagement>
+
 	<dependencies>
 		<dependency>
 			<groupId>org.springframework.batch</groupId>
 			<artifactId>spring-batch-core</artifactId>
-			<version>5.0.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.batch</groupId>
 			<artifactId>spring-batch-integration</artifactId>
-			<version>5.0.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
@@ -146,7 +156,6 @@
 		<dependency>
 			<groupId>org.springframework.batch</groupId>
 			<artifactId>spring-batch-test</artifactId>
-			<version>5.0.0-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>