Introduce istio installation

App installation has been moved to swconfig repo to decouple it from
the regular engine. It can be installed from the scenario as an
extra deployment feature. Istio has been added as a first example.

deploy-scenario: k8-calico-nofeature
installer-type: kubespray

Change-Id: I2cc4bf9121b1d3800645b10db23532a5dd1a04b0
3 files changed
tree: fb728c11fd71451ae3bd2276a3d37a6765d3d6e6
  1. apps/
  2. scenarios/
  3. .gitignore
  4. .gitreview