Added section to show how to get IP address and view running python app if the user is using boot2docker on OSX Docker-DCO-1.1-Signed-off-by: Richard Harvey <richard@squarecows.com> (github: richarvey) Docker-DCO-1.1-Signed-off-by: Richard Harvey <richard@squarecows.com> (github: SvenDowideit) Upstream-commit: 2c5405f699c308eee0cfc87ec6dd8aa3bce1b2ef Component: engine