Melle

Updated to work with Airflow 1.10.15, include `airflow upgrade_check` to prep for Airflow 2+

Please don't litter users' home folder with an extra config file. It's good convention to use he $XDG_CONFIG_HOME and $XDG_DATA_HOME variables for linux users (not sure about mac users?). For...

@ichiriac I think it'd be better to use https://www.npmjs.com/package/xdg

Same here when running `org-gcal-fetch` ``` Makec:/Users/[USERNAME]/.emacs.d/org-gcal/.org-gcal-token mapconcat: Wrong type argument: integerp, nil Got error: (error . "exited abnormally with code 60 ") ``` GNU Emacs 24.4.1 (i686-pc-mingw32) of 2014-10-24...

I'm experiencing this as well. Can someone review this? Tests which actually trigger this behavior are missing from this PR.

Duplicate of #162 Also see PR #164 Would love to see this PR merged.

@dereke See #6121 + #5902

What do we need to push this forward?