change base docker ver to release ver

Change-Id: I8d15c29c223abe513c11b36a0cf2a14c190cc01a
Issue-Id: SDC-645
Signed-off-by: Yuli Shlosberg <ys9693@att.com>
(cherry picked from commit 93edecf667ec87d1a9f357604d0509eb20bf9093)
diff --git a/utils/webseal-simulator/sdc-simulator/Dockerfile b/utils/webseal-simulator/sdc-simulator/Dockerfile
index e1a415f..99fad58 100644
--- a/utils/webseal-simulator/sdc-simulator/Dockerfile
+++ b/utils/webseal-simulator/sdc-simulator/Dockerfile
@@ -1,4 +1,4 @@
-FROM openecomp/base_sdc-frontend:1.0.0-SNAPSHOT-latest
+FROM openecomp/base_sdc-frontend:v1.0.0
 
 COPY chef-solo /root/chef-solo/