Merge branch 'bulldozer' into develop
Refs #279. Provide ONLY_CBLAS flag. If you only need CBLAS without
a fortran compiler, please try make ONLY_CBLAS=1.

This mode only compiler CBLAS without BLAS fortran interface and LAPACK.
Patch LAPACK XLASD4.f as discussed in JuliaLang/julia#2340
Merge pull request #280 from ViralBShah/develop

Patch LAPACK XLASD4.f as discussed in JuliaLang/julia#2340
Refs #282. Fixed zgemv_n typo bug on Win64.