hpcc-systems/HPCC-Platform — pull request #867 by wangkx (2011-10-28 21:58:34+00:00)
Title: Fix gh-820 Exception when click XLS on Thor Usage

The exception is because recent code change deleted the code
for by mistake. This fix adds the code back. I also
add the code to check WUs on the Thor Usage page. If no WUs,
the page should not show the xls and summery links.

Signed-off-by: Kevin Wang