[geary] (36 commits) ...Merge branch 'wip/778276-better-flag-updates'. Fixes Bug 778276.

[Michael Gratton <mjog src gnome org>]

Summary of changes:

  6c9ca79... Improve ImapDB.Folder debug logging for duplicate search fi (*)
  d40ad83... Fix some engine build warnings. (*)
  08dcacd... Add to docs for the IMAP CREATE command. (*)
  e0eb9e4... Replace client call to Gtk.show_uri() with show_uri_on_wind (*)
  c9076c6... Fix Flatpak build. (*)
  a12b9a6... Update Indonesian translation (*)
  d89c912... Allow email address with "localhost" as the domain part. Fi (*)
  03d8192... Fix a critical error invoking popup on conversation list. (*)
  3b025b3... Allow reporting problems to the client from Geary.Imap.Mini (*)
  fcf3f74... Add a Cancellable for terminating internal folder operation (*)
  724202d... Modernise EmailPrefetcher a bit. (*)
  9a83e95... Rename Geary.Nonblocking.Mailbox to Queue, make constructed (*)
  5ed7de5... Split test running up into test-engine and test-client. (*)
  b24c554... Add an operations queue to GenericAccount for server operat (*)
  382bd9c... Refactor GenericAccount::new_folder a bit to make it less v (*)
  d4abaaa... Rework GenericAccount to use an AccountOperation for loadin (*)
  d9e23d5... Convert folder unseen update into an account op, only sched (*)
  24b7a95... Make sure local folders are always loaded before remote fol (*)
  adf2b7b... Fire folders_contents_altered when we alter folder contents (*)
  edd8172... Don't sync on email send, sync when sent mail is saved. (*)
  7c72dac... Increase the remote folder refresh interval. (*)
  3e6c429... Bump move commit timeout to something reasonable. (*)
  08ed7e0... Move impl for ReplayAppend and ReplayRemoval actually into  (*)
  b3ed537... Pay attention when the server notifies us of altered flags. (*)
  904d78f... Minor doc comment update. (*)
  dcdbcbe... Add some useful Engine API mock objects. (*)
  8827bc2... Add a mock Account object. (*)
  9e93062... Create and use a common FolderOperation account operation c (*)
  70e7ae2... Prevent the email prefetcher running multiple times. (*)
  22f20e1... Convert the account synchronizer's work into account operat (*)
  5446cc2... Turn some debug logging down a bit. (*)
  f63f735... Minor GenericAccount debug and comment updates. (*)
  3a47017... Stop the flag watcher running periodically. (*)
  7d1de0d... Fix some issues opening mailboxes from Bug 789924 / commit  (*)
  4cb9f2f... Retry an account operation after a network error. (*)
  6c5a7d5... Merge branch 'wip/778276-better-flag-updates'. Fixes Bug 77

(*) This commit already existed in another branch; no separate mail sent