Fix javadoc errors and warnings

Resolves #1624

spring-batch-test/pom.xml

@@ -112,5 +112,13 @@
 				</exclusion>
 			</exclusions>
 		</dependency>
+
+		<!-- provided dependencies -->
+		<dependency>
+			<groupId>com.google.code.findbugs</groupId>
+			<artifactId>jsr305</artifactId>
+			<version>${jsr305.version}</version>
+			<scope>provided</scope>
+		</dependency>
 	</dependencies>
 </project>

spring-batch-test/src/main/java/org/springframework/batch/test/StepRunner.java

@@ -159,8 +159,8 @@ public class StepRunner {
 
 	/**
 	 * Launch the given job
-	 * @param job
-	 * @param jobParameters
+	 * @param job to launch
+	 * @param jobParameters the job parameters
 	 */
 	private JobExecution launchJob(Job job, JobParameters jobParameters) {
 		try {