Description of problem:
Check  provisioning template if locked or not via either API or hammer CLI


Version-Release number of selected component (if applicable):
Red Hat Satellite v.6.1.8


Issue: 

Request to add feature for hammer command line to check whether a provision template is locked or not.

Currently hammer template does not print if the template is locked or not.

 hammer template info --id 99
Id:                99
Name:              Boot disk iPXE - generic host
Type:              Bootdisk
Operating systems: 

Locations:         
    Default Location
Organizations:     
    Default Organization
    tesorg2
    test-org