D27059: KConfigSkeletonItem : allow to set a KconfigGroup to read and write items in nested groups

[Cyril Rossi]

crossi added a dependent revision: D27188: KCM Notifications : Manage 
app-specific notifications with KCconfigXT's magic.

REPOSITORY
  R237 KConfig

REVISION DETAIL
  https://phabricator.kde.org/D27059

To: crossi, ervin, dfaure, #frameworks, mdawson
Cc: kde-frameworks-devel, LeGast00n, cblack, GB_2, michaelh, ngraham, bruns