Automated cherry pick of kubeflow#949: Adds kfserving ingressgateway …

…for Istio 1.1.6 Modifies Cherry pick of kubeflow#949 on v1.0-branch. kubeflow#949: Adds kfserving ingressgateway for Istio 1.1.6 Modifies (kubeflow#1027)

* Adds kfserving ingressgateway for Istio 1.1.6 Modifies KFServing and KNative Serving config-maps to use this gateway

* Updates configs for Istio 1.1.6

* Updates tests for istio 1.1.6

* Adding kfserving gateway to kfdefs having istio-1-1-6

* Gateway name correction for kfserving config

* Adds HPA config to gateway

Co-authored-by: krishnadurai <krishnadurai20@gmail.com>

[auto PR] Update the notebook-controller image to tag v1.0.0-gcd65ce25 (

kubeflow#936)

* image gcr.io/kubeflow-images-public/notebook-controller:v1.0.0-gcd65ce25
* Image built from kubeflow/kubeflow@cd65ce25

remove users (kubeflow#708)

Fix generate tests (kubeflow#537)

Merge pull request kubeflow#494 from kkasravi/add_apps13

add application overlay for spartakus

add application overlay to aws-alb-ingress-controller, nvidia-device-…

…plugin (kubeflow#458)

apply PR kubeflow#310 to v0.6 branch, and fix a bunch of tests (kubef…

…low#311)

fix version (kubeflow#297)

update centraldashboard image (kubeflow#263) (kubeflow#265)

patch appName to endpoint (kubeflow#244)