Description of problem:
User without configure read permissions can view a config history of a resource in Reports->Configuration History page.

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

build#1144 (Version: 4.0.0-SNAPSHOT Build Number: 50f58a4)


How reproducible:

Always

Steps to Reproduce:

1. Login to RHQ as rhqadmin.
2. Create a user and a compatible group of resorces (Ex: RHQ Agent).
3. Create a role with no permissions.
4. Assign the resource group and the user created to the role.
5. Logout and login as the user created above( with no permissions)
6. Navigate to Reports->Configuration History.

  
Actual results:
The Reports->Configuration History displays the config history rows for the resource(RHQ Agent)


Expected results:
User without configure read permissions should not be able to view config history of a resource.

Additional info:
When the same user (without configure read permissions) navigates to the individual resource, the 'Configuration' tab is disabled as expected.