TEST: fsl.utils.transform -> fsl.transform. Re-jigged transform test

tests/test_atlases.py

tests/test_atlases_query.py

tests/test_fsl_convert_x5.py

tests/test_image.py

tests/test_mesh.py

tests/test_mghimage.py

tests/test_scripts/test_atlasq_query.py

tests/test_transform/__init__.py

tests/test_transform/test_affine.py

tests/test_transform/test_flirt.py

tests/test_transform/test_nonlinear.py