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.
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
minor optimizations on dgemm_kernel