r2292 don't display optional attributes portlet if none exist. closes ticket 87
[racktables] / render_image.php
2008-09-18  Denis Ovsienkor2222 - generate "access denied" image from CPU, not...
2008-09-12  Denis Ovsienkor2207 - tree collapse/expand ops seem to work
2008-07-07  Denis Ovsienkor2047 + rack imaging code overhaul and cleanup
2008-06-17  Denis Ovsienkor1980 + lots of adjustments to fit the new RackCode...
2008-03-26  Denis Ovsienkor1838 + pass and handle caller function name for assertions
2008-01-13  Denis Ovsienkor1509 + fix comment
2008-01-13  Denis Ovsienkor1505 + implement rack thumbnails caching (ticket:34)
2008-01-12  Denis Ovsienkor1500 + render_rack_thumb.php becomes render_image.php