[Merge] lp:~timo-jyrinki/kubuntu-packaging/qttools_sync_with_debian_enable_more_docs into lp:~kubuntu-packagers/kubuntu-packaging/qttools-opensource-src

[Timo Jyrinki]

Doing manual merge since we don't seem to have CI here.
-- 
https://code.launchpad.net/~timo-jyrinki/kubuntu-packaging/qttools_sync_with_debian_enable_more_docs/+merge/208373
Your team Kubuntu Packagers is requested to review the proposed merge of lp:~timo-jyrinki/kubuntu-packaging/qttools_sync_with_debian_enable_more_docs into lp:~kubuntu-packagers/kubuntu-packaging/qttools-opensource-src.