Update heat env template to add usecase-ui

Change-Id: Ia5d208855fd40af5862a845151f3e718e83b782b
Issue-Id: USECASEUI-60
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>

heat/ONAP/onap_openstack.env

@@ -142,7 +142,7 @@ parameters:
   clamp_docker: v1.1.0
   msb_docker: 1.0.0
   mvim_docker: v1.0.0
-  uui_docker: latest
+  uui_docker: v1.0.1
   esr_docker: v1.0.0
   dgbuilder_docker: v0.1.0
   cli_docker: v1.1.0

heat/ONAP/onap_openstack_template.env

@@ -142,7 +142,7 @@ parameters:
   clamp_docker: ${CLAMP_DOCKER}
   msb_docker: ${MSB_APIGATEWAY_DOCKER}
   mvim_docker: ${FRAMEWORK_DOCKER}
-  uui_docker: latest
+  uui_docker: ${USECASE_UI_SERVER_DOCKER}
   esr_docker: ${ESR_SERVER_DOCKER}
   dgbuilder_docker: ${CCSDK_DGBUILDER_IMAGE_DOCKER}
   cli_docker: ${CLI_DOCKER}