Add check_env.py
Add check_env.py

Script to check the computational environment for the tutorial.

Checks for required Python packages and executables available in the PATH.

reproducible-research/scipy-tutorial-2014,5x5x5x5/ReproTutorial,reproducible-research/scipy-tutorial-2014,5x5x5x5/ReproTutorial,reproducible-research/scipy-tutorial-2014,5x5x5x5/ReproTutorial