paparazzi/paparazzi — pull request #926 by flixr (2014-11-04 20:49:52+00:00)
Title: [maps] hopefully finally fix google maps version download

seems like #865 didn't work with sed version on OSX after all...
So just use gnu sed on osx and the documented gnu sed -r option instead of -E

Also add a check if the extraced google version is actually a valid integer number..