Description of problem:
If you try to bind a non existing repo to a consumer the error message says "the consumer doesn't exist 

Version-Release number of selected component (if applicable):
[root@preethi-el6-pulp ~]# rpm -qa pulp-rpm-server
pulp-rpm-server-2.0.2-1.el6.noarch


How reproducible:


Steps to Reproduce:
[root@preethi-el6-pulp ~]# pulp-admin repo list
+----------------------------------------------------------------------+
                              Repositories
+----------------------------------------------------------------------+

Id:                 zoo
Display Name:       zoo
Description:        None
Content Unit Count: 39
Notes:              

Id:                 rhel6_2
Display Name:       rhel6_2
Description:        None
Content Unit Count: 7493
Notes:              
  Repo: Rhel6

Id:                 bugs
Display Name:       bugs
Description:        None
Content Unit Count: 1
Notes:              

Id:                 errata_demo
Display Name:       errata_demo
Description:        None
Content Unit Count: 1
Notes:              

Id:                 rpm
Display Name:       rpm
Description:        None
Content Unit Count: 1
Notes:              


[root@preethi-el6-pulp ~]# pulp-admin consumer list
+----------------------------------------------------------------------+
                               Consumers
+----------------------------------------------------------------------+

Id:            self-client
Display Name:  self-client
Description:   None
Notes:         


Id:            pulp-client
Display Name:  pulp-client
Description:   None
Notes:         


[root@preethi-el6-pulp ~]# pulp-admin consumer bind --repo-id test --consumer-id pulp-client
Consumer [pulp-client] does not exist on the server
[root@preethi-el6-pulp ~]# 

  
Actual results:


Expected results:


Additional info: