Publish artifacts to S3 repository
It simplifies Jenkins or Gitlab jobs by automatically publishing all
artifacts via the framework.
It leverages on Amazon Web Services (AWS) SDK [1] which supports the
current cases (OPNFV, Xtesting Ansible role [2], etc.).
[1] https://boto3.amazonaws.com/v1/documentation/api/latest/index.html?id=docs_gateway
[2] https://github.com/collivier/ansible-role-xtesting
Change-Id: I66e380c4da29fb0f973472a2c59ae0ea3c44fcfd
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>