Overview of Changes from GLib 2.27.91 to 2.27.92
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* Update to Unicode 6.0

* Update PCRE to 8.12

* Bugs fixed:
 637696 g_unix_connection_send_fd() doesn't work
 638872 null settings backend bug
 640042 GtkApplication's warning about not connecting...

* Translation updates:
 Arabic
 Basque
 Estonian
 Greek