Update logback version

Update logback version to match version expected by EELF (1.2.3)

Change-Id: Id8a9c7efc34c0258042fddc23e3ec3f527cdcda0
Issue-ID: CCSDK-275
Signed-off-by: Timoney, Dan (dt5972) <dt5972@att.com>
diff --git a/odlparent/mdsal-it-parent/pom.xml b/odlparent/mdsal-it-parent/pom.xml
index 7237f48..5c87337 100755
--- a/odlparent/mdsal-it-parent/pom.xml
+++ b/odlparent/mdsal-it-parent/pom.xml
@@ -151,7 +151,7 @@
 		<!-- Used everywhere -->
 		<junit.version>4.11</junit.version>
 		<!-- Used by coretutorials, sfc, snmp4sdn, sxp; see also affinity, toolkit -->
-		<logback.version>1.2.2</logback.version>
+		<logback.version>1.2.3</logback.version>
 		<!-- Used by nic, sfc, sxp, tsdr -->
 		<mockito.version>1.10.19</mockito.version>
 		<!-- Used by bgpcep, netconf, ovsdb, sxp; see also opendove, toolkit -->