The services definitions for master.cf were previously defined in
the services.jinja file.
This commit instead moves them into the services.yaml file, as we
should not require any jinja parsing inside the services definitions.
Drive-By: Add a .gitignore file
Drive-By: Set manage_master_config: True for kitchen. We do want to
verify that the master.cf file generation is actually working.
Drive-By: Add fedora-latest as a kitchen testing target, this helps
with verifying the os_family map testing that was added in
PR #79
Drive-By: Link to the kitchen-salt getting started guide in the README
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