Update lic header in appc client and config xml

Modify license header in appc-adapter xml, appc-client xml and appc-config xml files to reflect 2018 changes.

Change-Id: I1b7bd41a43ca5662ed4d293a33f468e443551fd7
Issue-ID: APPC-1000
Signed-off-by: John McClung <jm1364@att.com>
diff --git a/appc-config/appc-encryption-tool/installer/pom.xml b/appc-config/appc-encryption-tool/installer/pom.xml
index 3b08765..70659df 100644
--- a/appc-config/appc-encryption-tool/installer/pom.xml
+++ b/appc-config/appc-encryption-tool/installer/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>