move APPC apidoc from http to https

1, changed 8181:8282 to 8443:8443 maps to 30230 port
2, take snapshot-1.6.0 appc image that contains
   https change
3, chang robot config to https:8443 port

Issue-ID: OJSI-113
Change-Id: Icd1c158ae426013cb742b23a50a6d2929ca33d5e
Signed-off-by: Taka Cho <takamune.cho@att.com>
diff --git a/kubernetes/appc/charts/appc-cdt/values.yaml b/kubernetes/appc/charts/appc-cdt/values.yaml
index 7db9527..95034d3 100644
--- a/kubernetes/appc/charts/appc-cdt/values.yaml
+++ b/kubernetes/appc/charts/appc-cdt/values.yaml
@@ -26,7 +26,7 @@
 
 # application image
 repository: nexus3.onap.org:10001
-image: onap/appc-cdt-image:1.5.3
+image: onap/appc-cdt-image:1.6.0-SNAPSHOT-latest
 pullPolicy: Always
 
 # application configuration