enable rect read/write for gemm
undate
bug fix
bug fix of hemm and symm hanging with tuning KDB file and ssyr2k crashes on Kaveri with tuning KDB file
use snprintf instead of itoa to support linux system
Merge pull request #36 from TimmyLiu/develop

enable rect read/write for gemm in client (good performance when lda, ldb and ldc is bigger than m, n and k); Also bug fixes of hemm and symm hanging and ssyr2k crashing when using the tuning kdb files