Description of problem:

Within katello nightly go to Systems and wait for the list to load

It will return an error

How reproducible:
always

Steps to Reproduce:
1. Register one system
2. Go to Systems

Actual results:
No systems and an error


Expected results:
no error and a system


Additional info:

relevant traceback:

[ERROR 2013-10-09 15:28:13 app] NoMethodError: undefined method `to_a' for false:FalseClass
 | /home/jlsherri/.rvm/gems/ruby-1.9.3-p374@katello/gems/rabl-0.7.6/lib/rabl/engine.rb:138:in `collection'
 | /home/jlsherri/git/katello/app/views/api/v2/common/index.json.rabl:1:in `render'
 | /home/jlsherri/.rvm/gems/ruby-1.9.3-p374@katello/gems/rabl-0.7.6/lib/rabl/engine.rb:32:in `instance_eval'
 | /home/jlsherri/.rvm/gems/ruby-1.9.3-p374@katello/gems/rabl-0.7.6/lib/rabl/engine.rb:32:in `render'
 | /home/jlsherri/.rvm/gems/ruby-1.9.3-p374@katello/gems/rabl-0.7.6/lib/rabl/partials.rb:27:in `object_to_hash'
 | /home/jlsherri/.rvm/gems/ruby-1.9.3-p374@katello/gems/rabl-0.7.6/lib/rabl/partials.rb:14:in `partial'
 | /home/jlsherri/.rvm/gems/ruby-1.9.3-p374@katello/gems/rabl-0.7.6/lib/rabl/builder.rb:112:in `extends'
 | /home/jlsherri/.rvm/g