D27028: Switch from download.k.o to autoconfig

[Dan Leinir Turthra Jensen]

leinir added a reviewer: KNewStuff.

REPOSITORY
  R304 KNewStuff

REVISION DETAIL
  https://phabricator.kde.org/D27028

To: leinir, bcooksley, #frameworks, #knewstuff
Cc: meven, broulik, kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, 
bruns