Merge branch 'hotfix-v0.2.8'
added sgemm- and dgemm-kernel for HASWELL processor
Init code base for Intel Haswell.
added zgemm_kernel_4x2_haswell.S and fixed a bug in sgemm_kernel_16x4_haswell.S
sgemm_kernel_16x4_haswell.S minor changes
added sgemm_kernel_16x4_haswell.S
added dgemm_kernel_16x2_haswell.S
added zgemm_kernel_4x2_haswell.S
added cgemm_kernel_8x2_haswell.S
Merge pull request #278 from wernsaar/haswell

 Merge wernsaar's Haswell gemm kernels.
Import AMD Piledriver DGEMM kernel generated by AUGEM.
So far, this kernel doesn't deal with edge.

AUGEM: Automatically Generate High Performance Dense Linear Algebra
Kernels on x86 CPUs.
Qian Wang, Xianyi Zhang, Yunquan Zhang, and Qing Yi. In the
International Conference for High Performance Computing, Networking,
Storage and Analysis (SC'13). Denver, CO. Nov, 2013.
added dgemm_kernel for Piledriver
corrected and testet FMA3 Code
optimized dgemm_kernel for HASWELL
added highly optimized dgemm_kernel for HASWELL
tests and code cleanup of gemm_kernels for HASWELL
added sgemm_kernel for PILEDRIVER
added zgemm_kernel for Piledriver
added cgemm_kernel for Piledriver
small optimizations on dgemm_kernel for Piledriver