Description of problem:
"GET https://$(hostname)/api/report_templates/:id" doesn't show all report template attributes, e.g. Snippet, Locked or Audit_comment. All of these are available through WebUI.

Steps to Reproduce:
1. Create a report template
2. GET report template through API:

1. curl -u admin:<password> -H "Accept: version=2, application/json" -H "Content-Type: application/json" -k -X GET https://$(hostname)/api/report_templates/&lt;id>

Actual results:
Report template returned, but some attributes are missing

Expected results:
Report template returned with all attributes