Description of problem:
Template could be created successfully when specified not existing descriptor to creating a template

Version-Release number of selected component (if applicable):
rhc-0.88.9-1.el6_2.noarch
rhc-broker-0.88.8-1.el6_2.noarch

How reproducible:
Always

Steps to Reproduce:
1. Add a template and specify not existing descriptor file
# rhc-admin-add-template -n wordpress -d /tmp/XXX.yaml -g
git://github.com/openshift/wordpress-example.git -t wordpress  -c 1  -m
'{"a":"b"}'
  
Actual results:
Template could be created successfully without any error

Expected results:
Template shouldn't be created successfully and it should return error message said that Not specify descriptor file or the others..

Additional info:
I have uploaded /var/www/libra/broker/log/development.log