Description of problem:
I tried to remove custom organization by spacecmd and I received error and organization wasn't deleted.

Version-Release number of selected component (if applicable):
spacecmd-2.5.0-14.el6sat.noarch

How reproducible:
always

Steps to Reproduce:
1. >> spacecmd
>>> org_create -n organization-1 -u username-1 -f Example -l Test -e root@localhost -p nimda 
>>> org_rename organization-1 org1
>>> org_delete org1
>>> org_list 

Actual results:
ERROR: SpacewalkShell instance has no attribute 'org_confirm'
Traceback (most recent call last):
  File "/usr/bin/spacecmd", line 176, in <module>
    shell.cmdloop()
  File "/usr/lib64/python2.6/cmd.py", line 142, in cmdloop
    stop = self.onecmd(line)
  File "/usr/lib64/python2.6/cmd.py", line 219, in onecmd
    return func(arg)
  File "/usr/lib/python2.6/site-packages/spacecmd/org.py", line 158, in do_org_delete
    if self.org_confirm('Delete this organization [y/N]:'):
AttributeError: SpacewalkShell instance has no attribute 'org_confirm'


Expected results:
Without error