Plans for Breezy 3.1

[Jelmer Vernooij]

For Breezy 3.1, I'd like to target the following changes:

 * Finish initial nested tree support
 * Slow down due to plugin loading from entrypoints
   (http://pad.lv/1832868)
 * Python 3.8 compatibility (http://pad.lv/1844684)

Cheers,

Jelmer