Description of problem:
if you specifiy <hostname> in job description, job is Aborted with reason Recipe ID xxxxxxx does not match any systems. Before 0.15 it worked.

Version-Release number of selected component (if applicable):
Version 0.15.0

How reproducible:
evrytime

Steps to Reproduce:

@webui:
1. try to clone J:464095 
2. cloned job is Aborted: Recipe ID xxxxxxx does not match any systems 

vs.

3. however, original job was successful then, before the new beaker happened.


Actual results:
Aborted 

Expected results:
Sucessfuly cloned job

Additional info:
...
<hostRequires>
	<and>
		<hostname op="=" value="ibm-x3650m4-03-vm14.lab.eng.brq.redhat.com"/>
	</and>
	<system_type value="Machine"/>
</hostRequires>
...