Description of problem:
The kickstart.profile.downloadKickstart method does not render the Kickstart through Cobbler before returning the content.  

Version-Release number of selected component (if applicable):
Satellite 5.3.0

How reproducible:
Always

Steps to Reproduce:
1. Retrieve a Kickstart via the kickstart.profile.downloadKickstart() method
  
Actual results:
The Kickstart has not been rendered through Cobbler, leaving all of the Cobbler templating in place.

Expected results:
A rendered Kickstart that is identical to what a client receives and the same as what is viewed by clicking the 'Kickstart File' tab in the Satellite web interface.