Use categorized logging everywhere
Reviewers: KDevelop, mwolff
Reviewed By: KDevelop, mwolff
Subscribers: mwolff, kdevelop-devel
Tags: KDevelop
Differential Revision: https://phabricator.kde.org/D4061
(cherry picked from commit 6951f5bfda2b4cf40bb004d2ecf4b04167fe7e69)