D25215: Fix a couple of broken links, update links to https://kde.org/applications/

[Méven Car]

meven edited the summary of this revision.

REPOSITORY
  R304 KNewStuff

BRANCH
  arcpatch-D25215

REVISION DETAIL
  https://phabricator.kde.org/D25215

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