Starting from rev.0.4.2 following format of results is supported:
{"
"\"additive\": [{chart data}, {chart data}, ...], "
"\"complete\": [{chart data}, {chart data}, ...]}\n"
This patch enables support of all other types of output format
by using 'TextArea' widget
Change-Id: I5d31c3450c5f6a622cf66eebb8edf0c5878ab64f