Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1628488

Description of problem:
The field name is written as Operatingsystem in one word, need to change to Operating System/

Version-Release number of selected component (if applicable):
6.4

Steps to Reproduce:
1. Go to Infrastructure > Compute Resources and select a resource.
2. Click the Images tab, and then click New Image.
3. See the Operatingsystem list.

Actual results:
Operatingsyste

Expected results:
Operating System

Additional info:
Works for EC2 resources and openstack, not checked for others. Seems like it is the same for all types of resources.