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.
initial checkin of kernel/arm
common files modified for ARM
modified Makefile.L3 for ARM
changed dgemm_kernel to use fused multiply add
added Makefile.arm
add modified c_check perl program
updated dgemm_kernel_8x2_vfpv3.S
changed some values for arm
Changed kernels for dgemm and dtrmm