Cleanup of neutron-common role

Whitespace, task naming, remove action: syntax.
Utilize file feature that creates leading directories.
Simplify some logic.
Clean up neutron-control role

task names, white spaces, file feature for parent dirs.
Clean up neutron-data role

Just whitespace.
Clean up of neutron-data-network role

task names, whitespace, use a with_dict for actual hash looping
Merge pull request #594 from blueboxgroup/cleanup-neutron

Clean up of the neutron roles.  See commits for details.