Bug Fixes:
Bug 720154 - [NNTP] Silently recover from "Connection reset by peer"
error (Milan Crha)
Bug 727598 - [IMAPX] Fails to list folders without NAMESPACE
capability (Milan Crha)
Bug 728087 - Use-after-free in contact address switch in composer
(Christian Schaarschmidt)
Bug 728167 - [IMAPx] Message headers downloaded twice (Milan Crha)
Bug 728414 - Deliver ESource data changes on idle (Milan Crha)
Bug 728737 - [IMAPx] Namespaces not recognized in subscription list
(Milan Crha)
Bug 728973 - [IMAPX] Recover after store summary version mismatch
(Milan Crha)
Other Changes:
* [ownCloud backend] Check color format before using it (Milan Crha)
* [IMAPx] Set local cache to never expire (Milan Crha)
* [IMAPx] Try to address "Empty cache file" error (Milan Crha)
Translations:
Pau Iranzo (ca)
Daniel Mustieles (es)
Matej Urbančič (sl)
