D22082: WIP Add an ioslave to access KActivityStat data

[Méven Car]

meven added a reviewer: lunakl.

REPOSITORY
  R159 KActivities Statistics

REVISION DETAIL
  https://phabricator.kde.org/D22082

To: meven, #frameworks, ngraham, lunakl
Cc: kde-frameworks-devel, LeGast00n, michaelh, ngraham, bruns