[geary] (3 commits) Non-fast-forward update to branch wip/conversation-polish

[Michael Gratton <mjog src gnome org>]

The branch 'wip/conversation-polish' 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:

  5705e9b... Refine auto-mark-read to only happen as a direct result of 

Commits added to the branch:

  d8f5844... Refine auto-mark-read to only happen as a direct result of 
  fc42925... Further refine email body loading progress feedback
  d7d3c1a... Don't try re-downloading email bodies on time-out