MS Model Input Validation

- Provides validation for MS policy input content body that matches the GUI validations when create/update MS policy from API
- Added changes to satisfy review comments and updated copywright
headers for modified and new files

Change-Id: I02bfa639bffb48520badd0e4fa34eb36418547ae
Issue-ID: POLICY-377
Signed-off-by: Michael Mokry <mm117s@att.com>
diff --git a/ONAP-PDP-REST/xacml.pdp.properties b/ONAP-PDP-REST/xacml.pdp.properties
index 4d12004..57e1d70 100644
--- a/ONAP-PDP-REST/xacml.pdp.properties
+++ b/ONAP-PDP-REST/xacml.pdp.properties
@@ -2,7 +2,7 @@
 # ============LICENSE_START=======================================================
 # ONAP-PDP-REST
 # ================================================================================
-# Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+# Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
 # ================================================================================
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -123,7 +123,7 @@
 CLIENT_INTERVAL=15000
 
 # Buffer Size. 
-REQUEST_BUFFER_SIZE=15
+REQUEST_BUFFER_SIZE=50
 
 #properties for MySql xacml database:  PLEASE DO NOT REMOVE... NEEDED FOR APIs
 javax.persistence.jdbc.driver=org.mariadb.jdbc.Driver