[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/sgeqr2.f

@@ -33,8 +33,17 @@
 *>
 *> \verbatim
 *>
-*> SGEQR2 computes a QR factorization of a real m by n matrix A:
-*> A = Q * R.
+*> SGEQR2 computes a QR factorization of a real m-by-n matrix A:
+*>
+*>    A = Q * ( R ),
+*>            ( 0 )
+*>
+*> where:
+*>
+*>    Q is a m-by-m orthogonal matrix;
+*>    R is an upper-triangular n-by-n matrix;
+*>    0 is a (m-n)-by-n zero matrix, if m > n.
+*>
 *> \endverbatim
 *
 *  Arguments:
@@ -96,7 +105,7 @@
 *> \author Univ. of Colorado Denver
 *> \author NAG Ltd.
 *
-*> \date December 2016
+*> \date November 2019
 *
 *> \ingroup realGEcomputational
 *
@@ -121,10 +130,10 @@
 *  =====================================================================
       SUBROUTINE SGEQR2( M, N, A, LDA, TAU, WORK, INFO )
 *
-*  -- LAPACK computational routine (version 3.7.0) --
+*  -- LAPACK computational routine (version 3.9.0) --
 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
-*     December 2016
+*     November 2019
 *
 *     .. Scalar Arguments ..
       INTEGER            INFO, LDA, M, N