Avoid that people end up using month' old stale tags from istio.VERSI…

…ON (istio#3402)

* Avoid people using months old stale tags in istio.VERSION

istio.VERSION is a template/placeholder at this point, for
All/most of the tags

* proxy tag is recent and auto-updated

thx matt for the reminder

istio.VERSION

@@ -1,17 +1,17 @@
 # DO NOT EDIT THIS FILE MANUALLY instead use
 # install/updateVersion.sh (see install/README.md)
 export CA_HUB="gcr.io/istio-testing"
-export CA_TAG="d10e0c4aa05ca726cae71aa5d033dea4f7bc26e4"
+export CA_TAG="replace-by-actual-tag"
 export MIXER_HUB="gcr.io/istio-testing"
-export MIXER_TAG="5253b6b574a98b209c0ef3d0d6e90c1b8d6a5c2a"
+export MIXER_TAG="replace-by-actual-tag"
 export PILOT_HUB="gcr.io/istio-testing"
-export PILOT_TAG="3101ea9d82a5f83b699c2d3245b371a19fa6bef4"
-export ISTIOCTL_URL="https://storage.googleapis.com/istio-artifacts/pilot/3101ea9d82a5f83b699c2d3245b371a19fa6bef4/artifacts/istioctl"
+export PILOT_TAG="replace-by-actual-tag"
+export ISTIOCTL_URL="https://storage.googleapis.com/istio-artifacts/pilot/replace-by-actual-tag/artifacts/istioctl"
 export PROXY_TAG="f005e33859d423c545bd6d2360231dfe46751aa7"
 export PROXY_DEBUG=""
 export ISTIO_NAMESPACE="istio-system"
-export PILOT_DEBIAN_URL="https://storage.googleapis.com/istio-artifacts/pilot/3101ea9d82a5f83b699c2d3245b371a19fa6bef4/artifacts/debs"
+export PILOT_DEBIAN_URL="https://storage.googleapis.com/istio-artifacts/pilot/replace-by-actual-tag/artifacts/debs"
 export FORTIO_HUB="docker.io/istio"
-export FORTIO_TAG="0.6.4"
+export FORTIO_TAG="0.6.8"
 export HYPERKUBE_HUB="quay.io/coreos/hyperkube"
 export HYPERKUBE_TAG="v1.7.6_coreos.0"