Upgrade logback version to 1.2.3

Issue-ID: AAI-1107
Change-Id: I24260227dc9a695e8cf91f3fdf033353a4462bca
Signed-off-by: mark.j.leonard <mark.j.leonard@gmail.com>
diff --git a/pom.xml b/pom.xml
index d17be0e..eec459a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,6 +55,7 @@
 		<hamcrest-all.version>1.3</hamcrest-all.version>
 		<babel.version>1.2.0</babel.version>
 		<aai.rest.client.version>1.2.1</aai.rest.client.version>
+		<logback.version>1.2.3</logback.version>
 	</properties>
 
     <distributionManagement>
@@ -140,7 +141,13 @@
 		</dependency>
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-classic</artifactId>
+			<version>${logback.version}</version><!--$NO-MVN-MAN-VER$-->
+		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-core</artifactId>
+			<version>${logback.version}</version><!--$NO-MVN-MAN-VER$-->
 		</dependency>
 		<dependency>
 			<groupId>org.onap.sdc.sdc-distribution-client</groupId>