[eclass] Remove requirement to use live version of extra-cmake-modules.

Upstream should be maintaining compatibility now so this is no longer
necessary.
[kde-base/pykde4] Add patch from upstream to solve build failure with PyQt4-4.11 wrt bug #506452.

Package-Manager: portage-2.2.10
[kde-base/kstars] Raise sci-libs/indilib dependency.

Package-Manager: portage-2.2.10
[kde-base/kstars] Enforce REQUIRED_USE to avoid build failure.

Package-Manager: portage-2.2.10
[eclass] Sync with portage.
[eclass] Avoid reserved names wrt bug #516092.