Starpu/cublas v2

This pull request introduce the API v2 supports to enable additional kernels such as geam cited in issue #22 (closed) @all This doesn't take into account magma kernels yet, but I thing we should stop their support since it is not up to date. Unless @fpruvost says they are still working.

cudablas/compute/cuda_zgemm.c

@@ -34,10 +34,6 @@ int CUDA_zgemm(MORSE_enum transa, MORSE_enum transb,
                cuDoubleComplex *C, int ldc,
                CUBLAS_STREAM_PARAM)
 {
-
-#if !defined(CHAMELEON_USE_CUBLAS_V2)
-    cublasSetKernelStream( stream );
-#endif
     cublasZgemm(CUBLAS_HANDLE
                 morse_lapack_const(transa), morse_lapack_const(transb),
                 m, n, k,
@@ -46,6 +42,5 @@ int CUDA_zgemm(MORSE_enum transa, MORSE_enum transb,
                 CUBLAS_VALUE(beta),  C, ldc);
 
     assert( CUBLAS_STATUS_SUCCESS == cublasGetError() );
-
     return MORSE_SUCCESS;
 }