Replace 2017 with 2017-2018 in license text

Make CLI application as integrated app in portal

Issue-ID: PORTAL-176, PORTAL-152

Change-Id: I515dd6f8255fcf36b3a8753da7449de0a7564489
Signed-off-by: Manoop Talasila <talasila@research.att.com>
diff --git a/LICENSE.txt b/LICENSE.txt
index 73eab27..585f12d 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,7 +1,7 @@
 ============LICENSE_START==========================================
 ONAP Portal
 ===================================================================
-Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
+Copyright (c) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
 ===================================================================
 
 Unless otherwise specified, all software contained herein is licensed