Inspired by: Python Fabric NameError: global name 'log_action' is not defined
replace non-existing log_action() with print()
Inspired by: [Python Fabric NameError: global name 'log_action' is not defined](http://stackoverflow.com/q/22696486/4279)
Thanks! Yea, log_action was apparently intended as a hypothetical "wants an english sentence" function call in the docstring, but I can see why somebody might mistake it for a Fabric API example. Changing it to just print() serves the same function but is less ambiguous.
Changelog, closes #1106