Fix maven-war-version to 3.3.1

To get rid of following warnings in the build:
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by
com.thoughtworks.xstream.core.util.Fields
(file:/home/akurtakov/.m2/repository/com/thoughtworks/xstream/xstream/1.3.1/xstream-1.3.1.jar)
to field java.util.Properties.defaults
WARNING: Please consider reporting this to the maintainers of
com.thoughtworks.xstream.core.util.Fields
WARNING: Use --illegal-access=warn to enable warnings of further illegal
reflective access operations
WARNING: All illegal access operations will be denied in a future
release


Change-Id: I60e9e34f1e9f7b61cddddcd0298efd065662b789
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/infocenter-web/infocenter-app/pom.xml b/infocenter-web/infocenter-app/pom.xml
index b307f3f..3cb5e3e 100644
--- a/infocenter-web/infocenter-app/pom.xml
+++ b/infocenter-web/infocenter-app/pom.xml
@@ -35,6 +35,11 @@
 				</configuration>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-war-plugin</artifactId>
+				<version>3.3.1</version>
+			</plugin>
+			<plugin>
 				<artifactId>maven-antrun-plugin</artifactId>
 				<executions>
 					<execution>