Description of problem:
  The double dash used by 'oc debug' get confused with user also specify a config location.


Version-Release number of selected component (if applicable):
oc v3.2.0.4
kubernetes v1.2.0-origin-41-g91d3e75

How reproducible:
always.

Steps to Reproduce:
1.  oc debug -f pod_simple.yaml -- /bin/env --config=/home/pruan/workdir/dhcp-16-139-pruan/ose_pruan1.kubeconfig
2.
3.

Actual results:
oc debug -f pod_simple.yaml -- /bin/env --config=/home/pruan/workdir/dhcp-16-139-pruan/ose_pruan1.kubeconfig

      error: unable to connect to a server to handle "pods": No configuration file found, please login or point to an existing file:
      
        1. Via the command-line flag --config
        2. Via the KUBECONFIG environment variable
        3. In your home directory as ~/.kube/config
      
      To view or setup config directly use the 'config' command.


Expected results:


Additional info: