Updating pytest to a more recent development version (2.4.0.dev8).
Merge pull request #139 from oxtopus/pytest-2.4.0.dev8

Updating pytest to a more recent development version (2.4.0.dev8).
Ensure scripts are installed in NuPIC install directory
Merge pull request #144 from oxtopus/pip-install-scripts

Ensure scripts are installed in NuPIC install directory
Merge branch 'master' of git://github.com/numenta/nupic