Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1257833
Description of problem: When using capsules, setting the token_duration to "0" stops the ks=<capsule> in the PXE template being set and reverts to ks=<satellite server>

Version-Release number of selected component (if applicable):6.1.1

How reproducible:
Every time.

Steps to Reproduce:
1. Create a capsule and set subnet, domain and location. Capsule requires "Templates" option.
2. Create a new host using the subnet associated to the capsule & subnet
3. Check /var/lib/tftboot/pxelinux.cfg/<mac addr> on the capsule

Actual results:
default linux
label linux
kernel boot/RedHat-7.1-x86_64-vmlinuz
append initrd=boot/RedHat-7.1-x86_64-initrd.img ks=http://<satellite Server>:80/unattended/provision network ks.sendmac
IPAPPEND 2

Expected results:
default linux
label linux
kernel boot/RedHat-7.1-x86_64-vmlinuz
append initrd=boot/RedHat-7.1-x86_64-initrd.img ks=http://<capsule servre>:8000/unattended/provision?token=42e3c2e3-3841-44ab-a65a-c2dddfdff16f network ks.sendmac
IPAPPEND 2