demo/k8s: setup_k8s_cluster.sh issues

[mpduarte]

• setup_k8s_cluster.sh fails due to a lack of wget, bzip2, python-netaddr installed on host
  Manually installing packages on host to get around issues.
• setup_k8s_cluster.sh fails because contivk8s not found after fetch/extraction
  it appears tar xvfj netplugin-$contivVer.tar.bz2 failes to execute, manually ran the tar command to move on

[mpduarte]

Updating list, based on fixes in prepare.sh.

[gaurav-dalvi]

Already have this in demo/k8s/README.md file :

"The setup scripts use python module netaddr and linux utility bzip2. If these are not installed on the machine where you are executing these steps, you must install them before proceeding. (E.g. yum install bzip2; pip install netaddr)"

[gaurav-dalvi]

@jojimt Can we close this issue ?