Display admin form status icons when clean urls are off.

The icon for the status of the repository was not displaying when clean urls
was turned off. Image files can't be referenced with through the query "q"
paramter.
Standards compliance.
Follow file naming/placement conventions
Merge pull request #234 from nigelgbanks/7.x-fix-missing-icon-when-no-clean-urls

7.x fix missing icon when no clean urls