Updating APPC CSIT for Nitrogen ODL

The use of -u karaf is no longer supported by the ODL client command version.
The APIDOC credentials have been modified with the Nitrogen ODL version.

Change-Id: I127a1db019b7fb92554045ebe1b4b8a0c562994c
Issue-ID: APPC-851
Signed-off-by: Aaron Hay <ah415j@att.com>
diff --git a/test/csit/plans/appc/healthcheck/health_check.sh b/test/csit/plans/appc/healthcheck/health_check.sh
index 63e0b17..e4cfae8 100755
--- a/test/csit/plans/appc/healthcheck/health_check.sh
+++ b/test/csit/plans/appc/healthcheck/health_check.sh
@@ -17,7 +17,7 @@
 SCRIPTS="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 echo $SCRIPTS
 
-response=$(curl --write-out '%{http_code}' --silent --output /dev/null -H "Authorization: Basic YWRtaW46S3A4Yko0U1hzek0wV1hsaGFrM2VIbGNzZTJnQXc4NHZhb0dHbUp2VXkyVQ==" -X POST -H "X-FromAppId: csit-appc" -H "X-TransactionId: csit-appc" -H "Accept: application/json" -H "Content-Type: application/json" http://localhost:8282/restconf/operations/SLI-API:healthcheck )
+response=$(curl --write-out '%{http_code}' --silent --output /dev/null -H "Authorization: Basic YWRtaW46YWRtaW4=" -X POST -H "X-FromAppId: csit-appc" -H "X-TransactionId: csit-appc" -H "Accept: application/json" -H "Content-Type: application/json" http://localhost:8282/restconf/operations/SLI-API:healthcheck )
 
 if [ "$response" == "200" ]; then
     echo "APPC health check passed."