hpcc-systems/HPCC-Platform — pull request #5577 by GordonSmith (2014-03-28 12:37:55+00:00)
Title: HPCC-11066 Ensure graph overview is not blank

Older graph controls can display a blank graph at level 1 (mostly for simple
graphs).

Fixes HPCC-11066

Signed-off-by: Gordon Smith