google calendar integration

[sweetpi]

Predicates for google calendar events.

Could be use: https://github.com/wanasit/google-calendar

[sandervandegeijn]

+1

I've thought about this as well, it would be nice to use Calendar to plan "at home" time (in my case, when there is nothing in my calendar, I'm at home). THis would make energy savings possible for lighting and heating (in the feature).