Added README & Jenkins schema validation script

Change-Id: I00f7c1068a2307080dddc110a08e205550f65979
Signed-off-by: featherstone <walter.featherstone@viavisolutions.com>

.jenkins.sh

+#!/bin/bash
+
+specfiles=$(ls | egrep "^[^.]*Api.(json|yaml)")
+
+fres=0
+for i in $specfiles ; do
+    echo "-- Validating OpenAPI file $i..."
+    swagger-tools validate $i
+    res=$?
+    fres=$(($fres||$res))
+    echo -e "-- Validator returned $res.\n"
+done
+
+echo "-- Final validator returns $fres."
+
+exit $fres
\ No newline at end of file

README.md

+# Bandwidth Management API
+
+This repository contains OpenAPIs descriptions for the interfaces specified in ETSI GS MEC 015.
+
+## Online resources
+
+* [Navigate the API in the browser](https://forge.etsi.org/rep/gitweb.cgi/MEC.GS_015.git/blob/HEAD:/BwManagementApi.yaml#swagger).
+* [Edit the API online](https://forge.etsi.org/swagger/editor/?url=https://forge.etsi.org/rep/gitweb.cgi/MEC.GS_015.git/blob_plain/HEAD:/BwManagementApi.yaml).
+
+## ETSI Forge Copyright statement
+
+Copyright (c) ETSI 2018.
+
+This software is subject to copyrights owned by ETSI. Non-exclusive permission 
+is hereby granted, free of charge, to copy, reproduce and amend this file 
+under the following conditions: It is provided "as is", without warranty of any 
+kind, expressed or implied. 
+
+ETSI shall never be liable for any claim, damages, or other liability arising 
+from its use or inability of use.This permission does not apply to any documentation 
+associated with this file for which ETSI keeps all rights reserved. The present 
+copyright notice shall be included in all copies of whole or part of this 
+software and shall not imply any sub-license right.
+