Bug Fixes:
Bug 634294 - Calendar factory crash under e-cal-recur (Milan Crha)
Bug 767786 - Use socks:// scheme for Camel accounts proxy lookup (Milan Crha)
Bug 767865 - [POP3] Correct Delete message after X days comparison (Milan Crha)
Bug 767780 - The "References" header folded twice (Milan Crha)
Bug 768000 - [POP3] Make it understand Google authentication mechanism (Milan Crha)
Miscellaneous:
[Camel] Set default connection timeout to 90 seconds (Milan Crha)
[IMAPx] Possible deadlock in camel_imapx_server_stop_idle_sync() (Milan Crha)