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-client/client-kit/pom.xml b/appc-client/client-kit/pom.xml
index b5cb6e5..f7f3184 100644
--- a/appc-client/client-kit/pom.xml
+++ b/appc-client/client-kit/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

   =============================================================================

@@ -19,7 +19,6 @@
   See the License for the specific language governing permissions and

   limitations under the License.

 

-  ECOMP is a trademark and service mark of AT&T Intellectual Property.

   ============LICENSE_END=========================================================

   -->

 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"