message: apache license text added to csrmv_device.h
diff: +/* ************************************************************************
  +* Copyright 2015 Vratis, Ltd.
  +*
  +* Licensed under the Apache License, Version 2.0 (the "License");
  +* you may not use this file except in compliance with the License.
  +* You may obtain a copy of the License at
  +*
  +* http://www.apache.org/licenses/LICENSE-2.0
  +*
  +* Unless required by applicable law or agreed to in writing, software
  +* distributed under the License is distributed on an "AS IS" BASIS,
  +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  +* See the License for the specific language governing permissions and
  +* limitations under the License.
  +* ************************************************************************ */
  +
  #include <hip/hip_runtime.h>
  // Knuth's Two-Sum algorithm, which allows us to add together two floating
  