google: Export CalDAV and CardDAV endpoints
google: Export CalDAV and CardDAV endpoints

According to:
https://developers.google.com/google-apps/calendar/caldav/v2/guide/
https://developers.google.com/google-apps/carddav/

See: https://bugzilla.gnome.org/show_bug.cgi?id=686804
     https://bugzilla.gnome.org/show_bug.cgi?id=688364

halfline/gnome-online-accounts,felipeborges/gnome-online-accounts,Distrotech/gnome-online-accounts,ritzk/gnome-online-accounts,felipeborges/gnome-online-accounts,halfline/gnome-online-accounts,felipeborges/gnome-online-accounts,ritzk/gnome-online-accounts,halfline/gnome-online-accounts,Distrotech/gnome-online-accounts,dnohales/gnome-online-accounts,dnohales/gnome-online-accounts,dnohales/gnome-online-accounts,ritzk/gnome-online-accounts,Distrotech/gnome-online-accounts