[glib] (11 commits) Non-fast-forward update to branch 1896-use-after-free-when-calling-g_dbus_connection_flush_sync-in-a-dedicated-thread

[Philip Withnall <pwithnall src gnome org>]

The branch '1896-use-after-free-when-calling-g_dbus_connection_flush_sync-in-a-dedicated-thread' 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:

  89b44e5... Fix use-after-free when calling g_dbus_connection_flush_syn

Commits added to the branch:

  61912bf... tutorial: Improve type safety of property usage in GObject  (*)
  22b59c9... tutorial: Stop referring to `->priv` for example class (*)
  ca60cd3... tutorial: Add private members to example code in tutorial (*)
  f9a1970... gutils test: Don't assume that every Unix OS implements os- (*)
  0869cde... Merge branch '1858-tutorial-deprecated-gobject-api' into 'm (*)
  b50447b... Merge branch 'issue1906' into 'master' (*)
  1fb3628... hash: Remove an assertion from the hot path (*)
  168bdb1... Merge branch 'hash-me-faster' into 'master' (*)
  ea98aab... gdatetime: Document RFC 3339 extensions when parsing ISO 86 (*)
  a50a08f... Merge branch 'datetime-docs' into 'master' (*)
  12364c3... Fix use-after-free when calling g_dbus_connection_flush_syn

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