Feature/cleanup ctors dofvec pgb
This MR does the following:
- Replace explicit type
DefaultGlobalBasisin constructor argument ofDOFVectorandParallelGlobalBasiswith a concept check forDune::Functions::GlobalBasisfor the conversion of adune-functions-style basis into aParallelGlobalBasis. - Shorten interface methods of
ParallelGlobalBasis(Cleanup)