Fix implicit conversions and unused variables in LAPACKE and TESTING (Reference-LAPACK PR 703)

fixes changing back from a single OMP thread for error exit testing to the originally requested number of threads for computational tests

from Reference-LAPACK PR 438

as explained by serguei-patchkovskii in Reference-LAPACK/lapack#438 (comment) , passing in an index of 1 instead of N leads to a standards violation accessing matrix A in SLASET, i.e. undefined behavior

Reference-LAPACK issue 425 (and 318)

Reference-LAPACK issue 425 (and 318)

Reference-LAPACK issue 429

* Update make.inc entries for LAPACK 3.9.0

Reference-LAPACK PR 347 changed some variable names and relative paths

* Update LAPACK to 3.9.0

* Add new functions from LAPACK 3.9.0

* Add new functions from LAPACK 3.9.0

* Restore LOADER command 

as it makes it easier to specify pthread as needed

* Restore LOADER

* Restore EIG/LIN prefixes in cmdbase

* add binary path to lapack_testing.py call

* Restore OpenMP version check

* Restore OpenMP version check

* Restore fix for out-of-bounds array accesses

from #2096

see https://github.com/Reference-LAPACK/lapack/issues/333

Remove unused (and nonexistent) functions ZHETRD_SY2SB and ZHETRD_SB2ST from comment and EXTERNAL declaration

Remove unused (and nonexistent) ZHETRD_SY2SB and ZHETRD_SB2ST

ZHBTRD_HB2ST  should be ZHETRD_HB2ST

Based on 3.4.2 version, apply patch.for_lapack-3.4.2.