[net-libs/libnm-qt] Sync with tree

Package-Manager: portage-2.2.11-r1
[eclass] Sync with tree
[kde-base/khelpcenter] Use D in src_install

Copy the khelpcenter.desktop file from the install image instead of an
already installed instance.

Package-Manager: portage-2.2.8-r1
[kde-base/kio-extras] Block kde-base/kcontrol:4

Block kde-base/kcontrol:4 due to a conflict in the handbooks.

Package-Manager: portage-2.2.8-r1
[kde-base/khotkeys] Block on kde-base/systemsettings:4

Add a block on kde-base/systemsettings:4, due to a file conflict in the
handbooks.

Package-Manager: portage-2.2.8-r1
[kde-base/plasma-desktop] Block on kde-base/systemsettings:4 and kde-base/plasma-workspace:4

Add a blocker due to various file conflicts with kde-base/systemsettings:4 and
kde-base/plasma-workspace:4.

Package-Manager: portage-2.2.8-r1