Automate install process

[dmcdougall]

At present, the user installs the executable and the man page manually. It would be more convenient for the user to run an install script. Python distutils would be a good idea, or even a bespoke install script.

[pelson]

or pip install?

[dmcdougall]

@pelson To make a package pip-installable, I think one needs to use {dist,setup}utils.