img: Adding NONETWORK test option at build time
img: Adding NONETWORK test option at build time

While building a benchmark VM you can disable the networking test by
using NONETWORK=1 option.

This patch also fixes some stylish issues to.

redhat-cip/edeploy,enovance/edeploy,enovance/edeploy,redhat-cip/edeploy,lebauce/edeploy,lebauce/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy,redhat-cip/edeploy,enovance/edeploy,lebauce/edeploy