Handling implementation

[gregelin]

Need to handle plural implementation_statuses of schema 3.1.0 and not just implementation_status of 3.0.0.

implementation_statuses:
   - complete
control_origins:
   - service provider system specific

See:

• https://github.com/docker/compliance/blob/master/opencontrol/components/Engine-EE/component.yaml#L23
  and
• https://github.com/opencontrol/Drupal-Plugins-Compliance-Controls/blob/master/opencontrol/components/Automated-Logout/component.yaml