[util] dummy() for copy_apply_if_changed

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[rpm] with-multiarch rpm option

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
optimizations in tests

optimizations causes bugs sometimes, so check with 'em... except
error testing because backtrace should not be optimized to be checked

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
Handle::release()

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[error] error_trace_nothrow()

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[udev] cor-udev library

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>