[Geary] Nightly build changes

[Michael Gratton <mike vee net>]

Hi all,

Just a heads-up for people using the Flatpak nightly builds of Geary's 
unstable development branch, there's recently been two changes:

1. In keeping with other GNOME apps, both the nightly build and test 
builds on GitLab are now parallel-installable with stable versions of 
the app, which means you can keep the stable version installed while 
you test development versions. This does also mean you'll need to 
manually re-add any non-GOA accounts for it though.

2. The location of the nightly builds repository has moved, so you'll 
need to update your installation to keep using it. You can install the 
Geary nightly with the following command:

> flatpak install 
https://nightly.gnome.org/repo/appstream/org.gnome.Geary.Devel.flatpakref

It might be worth removing the old gnome-nightly and gnome-apps-nightly 
repos, since they are no longer used.

For future reference, this is documented on Geary's wiki: 
https://wiki.gnome.org/Apps/Geary/GetIt#Advanced_Installation

Cheers,
//Mike

--
⊨ Michael Gratton, Percept Wrangler.
⚙ <http://mjog.vee.net/>