This CL includes the following:
* New Imap2.apk generation (not included in builds)
* "Push IMAP" option for accounts when Imap2.apk present
* Account creation/setup
* 2-way sync of messages, deletions, flag updates
* Push (messages, flags)
* Folder list hierarchy handling
* Message text (one plain or html part)
* Picker UI for trash folder (placeholder)
* Capabilities handling/UI command
Major Imap2 new features:
* Push
* Multiple folder sync
* Sync window (like EAS)
TODO:
* Picker UI for sent folder
* Upload of sent messages to server
* Search
* Multiple viewable parts
* Probably lots more, incl. unit tests
Change-Id: Ia5d74073d9c307e0bdae72a7f76b27140dde7d14
