Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/MailCore/mailcore2
Allow to perform IDLE even when capability has not been performed yet (Fixed #301).
Fixed #424: Fixed IDLE behavior when not logged in.
Fixed #425: fixed default namespace in case namespace is not supported for sina.com imap server.
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/CodaFi/mailcore2
Assume main, rather than current, queue for callbacks
Added ObjC-interface
Cleanup and documentation
use the correct key name when reading the Address displayName from a HashMap
Merge pull request #431 from CodaFi/assume-main-thread

- Assume main thread.
- Added Obj-C accessors for callbackDispatchQueue.
Merge pull request #432 from NemoPrivacy/master

MCAddress.cc: use the correct key name when reading the Address displayName from a HashMap
Merge remote-tracking branch 'upstream/master'
Free explicitly allocated capability data
Explicitly deallocate client identity
Merge pull request #444 from CodaFi/fix-leaks

Fix leaks.
Added UID Search All Expression and SearchKind
Merge pull request #448 from Metric/searchexpressions

Added UID Search All Expression and SearchKindAll for IMAP
Added missing file: fixed #438