Unit tests for featdesign module. Still need to test voxelwise EVs

...1stlevel_1.feat/mc/prefiltered_func_data_mcf.mat/MAT_0038

...1stlevel_1.feat/mc/prefiltered_func_data_mcf.mat/MAT_0039

...1stlevel_1.feat/mc/prefiltered_func_data_mcf.mat/MAT_0040

...1stlevel_1.feat/mc/prefiltered_func_data_mcf.mat/MAT_0041

...1stlevel_1.feat/mc/prefiltered_func_data_mcf.mat/MAT_0042

...1stlevel_1.feat/mc/prefiltered_func_data_mcf.mat/MAT_0043

...1stlevel_1.feat/mc/prefiltered_func_data_mcf.mat/MAT_0044

...est_feat/1stlevel_1.feat/mc/prefiltered_func_data_mcf.par

...feat/1stlevel_1.feat/mc/prefiltered_func_data_mcf_abs.rms

...1stlevel_1.feat/mc/prefiltered_func_data_mcf_abs_mean.rms

...at/1stlevel_1.feat/mc/prefiltered_func_data_mcf_final.par

...feat/1stlevel_1.feat/mc/prefiltered_func_data_mcf_rel.rms

...1stlevel_1.feat/mc/prefiltered_func_data_mcf_rel_mean.rms

tests/testdata/test_feat/1stlevel_1.feat/mean_func.nii.gz

...estdata/test_feat/1stlevel_1.feat/reg/example_func.nii.gz

...ta/test_feat/1stlevel_1.feat/reg/example_func2highres.mat

...test_feat/1stlevel_1.feat/reg/example_func2highres.nii.gz

...feat/1stlevel_1.feat/reg/example_func2initial_highres.mat

...t/1stlevel_1.feat/reg/example_func2initial_highres.nii.gz

...a/test_feat/1stlevel_1.feat/reg/example_func2standard.mat