D28712: Redo api.kde.org to look more like Aether

[Carl Schwan]

ognarb added a reviewer: ochurlaud.

REPOSITORY
  R264 KApiDox

REVISION DETAIL
  https://phabricator.kde.org/D28712

To: cblack, #vdg, ognarb, ochurlaud
Cc: kde-frameworks-devel, kde-doc-english, LeGast00n, cblack, gennad, 
fbampaloukas, GB_2, michaelh, ngraham, bruns, skadinna