Description of problem:
Auto Publish is displayed as none rather than True/False for docker repos when do repo list --details. 

Version-Release number of selected component (if applicable):
root@cloud-qe-15 ~]# rpm -qa |grep docker
python-pulp-docker-common-0.2.1-0.2.beta.el7.noarch
docker-1.1.2-13.el7.x86_64
pulp-docker-admin-extensions-0.2.1-0.2.beta.el7.noarch
pulp-docker-plugins-0.2.1-0.2.beta.el7.noarch
[root@cloud-qe-15 ~]# 


How reproducible:


Steps to Reproduce:
1.create a docker repo 
2. run repo list --details
3.

Actual results:
[root@cloud-qe-15 ~]# pulp-admin  repo list --details
+----------------------------------------------------------------------+
                              Repositories
+----------------------------------------------------------------------+

Id:                  puppet1
Display Name:        puppet1
Description:         None
Content Unit Counts: 
  Puppet Module: 2759
Notes:               
Importers:           
  Config:           
    Feed: https://forge.puppetlabs.com/
  Id:               puppet_importer
  Importer Type Id: puppet_importer
  Last Sync:        2014-10-07T16:43:11Z
  Repo Id:          puppet1
  Scheduled Syncs:  
Distributors:        
  Auto Publish:        True
  Config:              
  Distributor Type Id: puppet_distributor
  Id:                  puppet_distributor
  Last Publish:        2014-10-07T16:43:14Z
  Repo Id:             puppet1
  Scheduled Publishes: 

Id:                  zoo
Display Name:        zoo
Description:         None
Content Unit Counts: 
Notes:               
Importers:           
  Config:           
    Feed: https://repos.fedorapeople.org/repos/pulp/pulp/demo_repos/zoo/
  Id:               yum_importer
  Importer Type Id: yum_importer
  Last Sync:        None
  Repo Id:          zoo
  Scheduled Syncs:  
Distributors:        
  Auto Publish:        True
  Config:              
    Http:         False
    Https:        True
    Relative URL: /repos/pulp/pulp/demo_repos/zoo/
  Distributor Type Id: yum_distributor
  Id:                  yum_distributor
  Last Publish:        None
  Repo Id:             zoo
  Scheduled Publishes: 
  Auto Publish:        False
  Config:              
    Http:  False
    Https: True
  Distributor Type Id: export_distributor
  Id:                  export_distributor
  Last Publish:        None
  Repo Id:             zoo
  Scheduled Publishes: 


Id:                  busybox
Display Name:        busybox
Description:         None
Content Unit Counts: 
  Docker Image: 10
Notes:               
Importers:           
  Config:           
  Id:               docker_importer
  Importer Type Id: docker_importer
  Last Sync:        None
  Repo Id:          busybox
  Scheduled Syncs:  
Distributors:        
  Auto Publish:        None
  Config:              
  Distributor Type Id: docker_distributor_web
  Id:                  docker_web_distributor_name_cli
  Last Publish:        None
  Repo Id:             busybox
  Scheduled Publishes: 
  Auto Publish:        False
  Config:              
  Distributor Type Id: docker_distributor_export
  Id:                  docker_export_distributor_name_cli
  Last Publish:        None
  Repo Id:             busybox
  Scheduled Publishes: 



Expected results:


Additional info: