sprenger/ephy_testing_data: Collection of testing data in various electrophysiology file formats.

sklonowany z NeuralEnsemble/ephy_testing_data

Achilleas Koutsou 75ce2d1f88 [nixrawio-1.5.nix] Fix file format version		5 lat temu
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neoraw.nix	10930cdeba Adding test file for NIXRawIO	6 lat temu
nixio_fr.nix	16e3fc10e9 [nixio_fr.nix] Fix file format version	5 lat temu
nixrawio-1.5.nix	75ce2d1f88 [nixrawio-1.5.nix] Fix file format version	5 lat temu