[IT-2195] Fix incorrect merge
[IT-2195] Fix incorrect merge

The merge b9a7ef8 incorrectly threw away the changes to _barChart.gsp from
one of its parent branches. One of the lost changes was 0215f8f and the
other one was e150f4f. I am now restoring those lost changes to fix the
behavior of our bar charts.

iteratec/OpenSpeedMonitor,iteratec/OpenSpeedMonitor,IteraSpeed/OpenSpeedMonitor,IteraSpeed/OpenSpeedMonitor,iteratec/OpenSpeedMonitor,iteratec/OpenSpeedMonitor,IteraSpeed/OpenSpeedMonitor,iteratec/OpenSpeedMonitor