Adapt lapack-test and blas-test to changes in netlib directory layout
Adapt lapack-test and blas-test to changes in netlib directory layout

partial fix for #1574 - the problem with lapack_testing.py looks like an upstream bug
xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS