Docstrings PEPing
Remove md5sum() from Runner, as requested
Stop putting a bad or empty game install path when creating / editing a game entry

We'll need to put this back when we do this "move game" action and
some cleanup has be done to the whole game_path / get_game_path /
game.directory thing, it's quite a mess. :)
Provided a correctly cascaded system config for runners
Squashing ants

Er, was there anything else?
Rename README to README.rst
Provide link to gens/gs package
Make gens compatible with shipped runner
Register on_changed signal for runner_dropdown after setting the default
Merge pull request #64 from alanpearce/master

Improve readme display
Hide PGA menu item for now
Try importing setup from setuptools then distutils
Provide defaults for Game instance attributes
Provide instance attributes default *the right way*
Convert wine's browse_dir to get_game_path
get_game_path for desura
get_game_path for dosbox
Convert steam's browse_dir to get_game_path, remove old method
Convert winesteam browse_dir to get_game_path
Deprecate browser_dir attribute