[tests.elliptic-testcases] make it work for other grids than alugrid
[tests.elliptic-swipdg-discretization] add results

* for EllipticTestCase::ESV07< SGrid< 2, 2 > >
fixes unusable add method in LocalDofVector
[tests.operator_oswald] disabled, broken
[tests.elliptic-estimators] disabled, broken
[tests.operator_reconstruction] disabled some, broken
[tests.spaces] remove HAVE_DUNE_FEM_LOCALFUNCTIONS
[playground.mapper.finitevolume] fix warning
[operators.oswaldinterpolation] make the operator work with FemBased spaces
[playground.spaces.raviartthomas.pdelab] disable warnings
[tests.elliptic-estimators] reenable test, comment out ESV07 Testcase
[tests.elliptic-swipdg-discretization.hh] disable warnings
[tests.operator_oswald] reenable test
[tests.elliptic-testcases] disable warnings
[operators.oswaldinterpolation] disable failing check for the moment
[tests.elliptic-swipdg-discretization] fix deprecation warning