Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1122479
Description of problem:

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

How reproducible:
Very

Steps to Reproduce:
1. Create a HostGroup
2. add params kt_org, kt_env, kt_cv
3. Display actual hostgroup info

Actual results:
Only 1 param is actually set "kt_org"

Expected results:
All three params be set "kt_org" "kt_cv" & "kt_env"

Additional info:
These are the commands I ran

1. hammer hostgroup create --name "RHEL-65" --operatingsystem-id 1 --domain-id 1 --environment-id 1 --puppet-proxy-id 1 --subnet-id 1 --architecture-id 1 --ptable-id 7 --medium-id 7 --environment-id 2 --puppet-ca-proxy-id 1
   Hostgroup created

1. hammer hostgroup set-parameter --hostgroup-id 4 --name kt_org --value Hilti
   New hostgroup parameter created
2. hammer hostgroup set-parameter --hostgroup-id 4 --name kt_env --value Library
   Hostgroup parameter updated
3. hammer hostgroup set-parameter --hostgroup-id 4 --name kt_cv --value HOI-6_5_0-ci
   Hostgroup parameter updated

1. hammer hostgroup info --id 4
   Id: 4
   Name: RHEL-65
   Label:
   Operating System: RHEL Server 6.5
   Environment: KT_Hilti_Library_HOI_6_5_0_ci_4
   Model:
   Ancestry:
   Subnet: abcloud-ovirt-vlan
   Domain: abcloud.pw
   Architecture: x86_64
   Partition Table: Kickstart default
   Medium: Hilti/Library/Red_Hat_6_Server_Kickstart_x86_64_6_5
   Puppet CA Proxy Id: 1
   Puppet Master Proxy Id: 1
   ComputeProfile:
   Puppetclasses:

   Parameters:
   kt_org => HOI-6_5_0-ci