[WIP] Update LAPACK to 3.9.0 (#2353)

* 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

lapack-netlib/SRC/slagtf.f

@@ -125,7 +125,7 @@
 *>          then IN(k) = 1, otherwise IN(k) = 0. The element IN(n)
 *>          returns the smallest positive integer j such that
 *>
-*>             abs( u(j,j) ).le. norm( (T - lambda*I)(j) )*TOL,
+*>             abs( u(j,j) ) <= norm( (T - lambda*I)(j) )*TOL,
 *>
 *>          where norm( A(j) ) denotes the sum of the absolute values of
 *>          the jth row of the matrix A. If no such j exists then IN(n)
@@ -137,8 +137,8 @@
 *> \param[out] INFO
 *> \verbatim
 *>          INFO is INTEGER
-*>          = 0   : successful exit
-*>          .lt. 0: if INFO = -k, the kth argument had an illegal value
+*>          = 0: successful exit
+*>          < 0: if INFO = -k, the kth argument had an illegal value
 *> \endverbatim
 *
 *  Authors: