* Fix commit 87a2ccc
* Close #736

Factorize MAX_STACK_ALLOC code to common_stackalloc.h

Ref #727

Do not use vsub to clear the register values

added optimized trsm_kernels

Fix make MAX_STACK_ALLOC=0

Close #722

It's no longer required to modify Makefile.rule to disable
stack allocation. It's now possible to run:

make MAX_STACK_ALLOC=0

Fix detection of AMD E2-3200

Allow to force the number of parallel make job

This is particularly useful when using distcc

Fix Dormbr to perform the correct size operations with RowMajor

Fix Dormlq to perform the correct size operations with RowMajor

Fixes issue #712

Fixes issue #615.

fix makefile warning when renaming symbols

use different names for `openblas*.renamed` between osx and other unices, fixes
```
Makefile:121: warning: overriding commands for target `../libopenblas64_p-r0.2.15.a.renamed'
Makefile:100: warning: ignoring old commands for target `../libopenblas64_p-r0.2.15.a.renamed'
```

also clean `*.renamed`

Thank matzeri's patch.

(Visual Studio) Don't use C99 complex numbers when building C++ code.

Cortex A57 fixes and Lapack 3.6.0

Change the GEMM_P, GEMM_Q, GEMM_R values for Cortex A57