D27028: Switch from download.k.o to autoconfig

[Dan Leinir Turthra Jensen]

leinir added reviewers: bcooksley, Frameworks.

REPOSITORY
  R304 KNewStuff

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

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