Web server showing Product list

[didierofrivia]

Closes #9
Closes #13

The web server used in this template can be found here

This is how it looks when you visit http://k8sinitiative.apps.dev-eng-ocp4-5.dev.3sca.net/products

Notes:

1. I've coded the web server in a different repo because it was messing with the controller code previously written. Afterwards we could decide how to structure the code and include it in this repo -> Web server in k8sapp initiative repo #19
2. I've created an Openshift Route directly with the UI. We need to decide whether we want to go this way and include the yaml file, or go k8s way and craft the ingress object.

[damianpm]

LGTM, but we should have the web server code in this repo.
That can be done in a following task