Add a new test which does a pnfft_trafo and a pnfft_adj.#1

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td-mpcdf wants to merge 2 commits intompip:masterfrom

td-mpcdf:new_test

Commits on Jan 14, 2016

Add a new test which does a pnfft_trafo and a pnfft_adj.
Tilman Dannert
committed

Commits on Jan 22, 2016

now cartesian_grid is only used in the right boundaries
Tilman Dannert
committed