[geary] (11 commits) Non-fast-forward update to branch wip/789924-network-transition-redux

[Michael Gratton <mjog src gnome org>]

The branch 'wip/789924-network-transition-redux' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  3d3c609... Only create IMAP account and folder sessions when ready, no
  6609b4c... Require users of MinimalFolder's folder session claim it.
  ed58e03... Trivial clean up of MinimalFolder's private attrs.
  3bc7dc6... Explicitly close the Serializer's buffer stream.

Commits added to the branch:

  ea891a3... Only create IMAP account and folder sessions when ready, no
  14919d2... Require users of MinimalFolder's folder session claim it.
  919bacc... Trivial clean up of MinimalFolder's private attrs.
  479e994... Explicitly close the Serializer's buffer stream.
  1a9377d... Ensure MinimalFolder's properties are correctly updated by 
  77911e9... Remove remote_count and get_remote_counts from MinimalFolde
  f9cbcff... Avoid warning user of host unreachable errors when checking
  e76c0ed... Refine process for opening a remote session in MinimalFolde
  00c2712... Refine process for closing MinimalFolder.
  ef4ee9b... Fix memory leak by removing an unused IMAP accumulator.
  a6c7da4... Minor MinimalFolder cleanup.