Update license header in misc appc xml files

Modify license header in miscellaneous appc xml files to reflect 2018 changes.

Change-Id: Ia62d24370e152c23f3575c755ff88980fccc42d2
Issue-ID: APPC-1001
Signed-off-by: John McClung <jm1364@att.com>
diff --git a/appc-dg/appc-dg-shared/appc-dg-netconf/pom.xml b/appc-dg/appc-dg-shared/appc-dg-netconf/pom.xml
index ac2369f..4cb5257 100644
--- a/appc-dg/appc-dg-shared/appc-dg-netconf/pom.xml
+++ b/appc-dg/appc-dg-shared/appc-dg-netconf/pom.xml
@@ -3,7 +3,7 @@
   ============LICENSE_START=======================================================
   ONAP : APPC
   ================================================================================
-  Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+  Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
   Copyright (C) 2017 Amdocs
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
@@ -18,7 +18,6 @@
   See the License for the specific language governing permissions and
   limitations under the License.
   ============LICENSE_END=========================================================
-  ECOMP is a trademark and service mark of AT&T Intellectual Property.
   -->
 <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>