switch to orca 8

Author: chenziliang

ci/Jenkinsfile

@@ -27,6 +27,7 @@ withSplunkWrapNode("master") {
                                    # Workaround to use 0.8.0
                                    sed -i"" "s/^splunk_image_version/#splunk_image_version/g" /build/.orca/orca.conf
                                    sed -i"" "s/^splunk_ansible_version/#splunk_ansible_version/g" /build/.orca/orca.conf
+                                   cat /build/.orca/orca.conf
                                    pip install splunk_orca==0.8.0 -i https://repo.splunk.com/artifactory/api/pypi/pypi-virtual/simple
                                    cd ci
                                    splunk_orca create --sc nozzle