Disable App Nap on OS X 10.9
https://anaconda.org/paulyim/appnope/badges/version.svg
https://anaconda.org/paulyim/appnope/badges/latest_release_date.svg
https://anaconda.org/paulyim/appnope/badges/latest_release_relative_date.svg
https://anaconda.org/paulyim/appnope/badges/platforms.svg
https://anaconda.org/paulyim/appnope/badges/license.svg
https://anaconda.org/paulyim/appnope/badges/downloads.svg