fall-back to properties.domain for system_domain and app_domain, default system_domain_orginazation to nil
fall-back to properties.domain for system_domain and app_domain, default system_domain_orginazation to nil for bootstrap template
Bump src/cloud_controller_ng:

Gregg Van Hove and Tony Hansmann (3):
      refactor to pull out some seed data stuff from the model classes
      add the actual seeds
      update schema to allow NilClass for system_domain_orginazation

[#49220887]