D22083: introduce concept of header and footer for kpageview

[Nathaniel Graham]

ngraham added a task: T11153: Unify sidebar appearance.

REPOSITORY
  R236 KWidgetsAddons

REVISION DETAIL
  https://phabricator.kde.org/D22083

To: mart, #plasma, #frameworks, #vdg
Cc: hpereiradacosta, cfeck, ndavis, ngraham, kde-frameworks-devel, LeGast00n, 
michaelh, bruns