System tests are failing for named, because it cannot detect it does not
support filesystem SDB. Move feature test to named directory, so it is
built for every variant.
Upstream code will always install manual pages of upstream.
Manuals generated on build will be again installed. Broken by
out-of-tree build to support export-lib.
- Use more recent kyua, upstream bind now requires parallelism.
- Make global so version variables for libraries with multiple builds.
Signed-off-by: Petr Menšík <pemensik@redhat.com>