simplify roles organization and renames

.ansible-lint

.gitattributes

.gitignore

Makefile

doc/config.md

doc/deploy.md

doc/image.md

inventories/example/hosts

inventories/local-full/hosts

inventories/local-mediaserver/host_vars/localhost.dist.yml

inventories/local-mediaserver/hosts

inventories/local-mediavault/host_vars/localhost.dist.yml

inventories/local-mediavault/hosts

inventories/local-mediaworker/host_vars/localhost.dist.yml

inventories/local-mediaworker/hosts

molecule/default/converge.yml

molecule/default/molecule.yml

molecule/default/tests/test_celerity.py

molecule/default/tests/test_conf.py

molecule/default/tests/test_init.py