Since https://review.openstack.org/#/c/592520/ editor temporary files
aren't ignore anymore. This comment tells how to do that in order to
avoid future people coming around and wanting to add editor related
rules in the .gitignore file.
Change-Id: I47b7ebf7c8afe22c4bd7643c855940649f6da52c
Also fix ansible-lint errors and disable flake8 checks on the files
within the roles until we fix them.
Change-Id: Iab40c0fea517b2f74b91cab7b0f443de89e453b8
Ghanshyam Mann