Update license header on appc-adapter xml files

Modify license header on appc-adapter xml and .code_styling xml files to reflect 2018 changes.  I also had to fix the xml_version line syntax for the .code_styling xml files.

Change-Id: I361f64d3d6edbf43b6c7ae06611f64ee183b7d82
Issue-ID: APPC-999
Signed-off-by: John McClung <jm1364@att.com>
diff --git a/appc-adapters/appc-ansible-adapter/pom.xml b/appc-adapters/appc-ansible-adapter/pom.xml
index e1aa3df..580a5b2 100644
--- a/appc-adapters/appc-ansible-adapter/pom.xml
+++ b/appc-adapters/appc-ansible-adapter/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=========================================================
   -->