Update test

[mahmoodn]

I have successfully built dev branch on the following system

    ubuntu 16.04
    CUDA 8 GA1
    gcc 5.4

The following packages are needed

For CUDA:

    sudo apt-get install nvidia-384-dev libglu1-mesa-dev libxi-dev libxmu-dev
    bash cuda_8.0.44_linux.run

I didn't allow the run file to install the driver since I did that via apt-get.

For GPGPUSIM:

sudo apt-get install flex bison xutils-dev zlib1g-dev

Changes in the code:
1- Replace isnan() with std::isnan() in instructions.cc and cuda-math.h
2- Replace std::cout << "Failed to execute: " << cmd << std::endl; with std::cout << "Failed to execute: " << cmd.str() << std::endl; in cuda_runtime_api.cc
3- Replace std::cout << "Using command: " << cmd << std::endl; with std::cout << "Using command: " << cmd.str() << std::endl; in cuda_runtime_api.cc
4- Replace std::cout << "Trying to parse " << libcodfn << std::endl; with std::cout << "Trying to parse " << libcodfn.str() << std::endl; in cuda_runtime_api.cc

P.S: I wasn't able to create a new pull request.