bt-thiago

When the user has chosen to not verify the x509 certificate with `"nexus_verify": false`, we should silence the warning below. ``` AttributeError: 'module' object has no attribute 'X509_up_ref' /home/611036184/.local/lib/python2.7/site-packages/urllib3/connectionpool.py:847: InsecureRequestWarning:...

This example is using the 1.x API: https://nexus3-cli.readthedocs.io/en/latest/api/examples.html#create-a-repository Needs to be updated to show the 2.0.0 way. Creating other examples also welcome.