Prepare 3.18.5

NEWS

 Overview of changes in 3.18.5
 =============================
 
+* Bugs fixed:
+ 760991 imap-smtp: EnsureCredentials returns TRUE even when smtp-password
+        can't be found and an error is set
+ 764283 imap-smtp: Fix add_account() and refresh_account() leaks
+ 765994 org.gnome.OnlineAccounts.Account:IsTemporary is not being set
+
+* Updated translations:
+ Hungarian
+ Indonesian
+ Kazakh
+ Lithuanian
+ Portuguese
+ Portuguese (Brazilian)
+
 
 Overview of changes in 3.18.4
 =============================