(Bug 47123) Aggregate numbers based on the mainlabel indication

[1] shows that none of the data sets (its is not
jplot, var_dump showed the values are wrong during composition)
contains correct aggregated numbers (not for in-page declaration
nor subobjects declaration)

[1] http://www.semantic-mediawiki.org/wiki/Demo:Jqplot_aggregatable

Change-Id: I93296527981efd8c31cb7e2ba95ca688f00ddb4a
Merge "(Bug 47123) Aggregate numbers based on the mainlabel indication"