Core: StdExtensions: Depricating is_invokable and is_callable in favour of std::is_invocable
Core: StdExtensions: Depricating is_invokable and is_callable in favour of std::is_invocable

inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo