Changelog:

- Allow defaulting to folderlist or message list (inbox)
- Allow unreadcount in account view to show all unread in all folders
- Add ability to move single and multiple messages (Exchange)
- Option to add signature to replies/forwards
- Option to show only unread in combined inbox
- Option to show mail from all mailboxes in combined inbox
- Swipe message right edge to left in combined inbox to enter
  message's parent folder
- Combined inbox displays message's folder
- Simple unread widget
- Encrypt account login passwords on phone

Change-Id: I75e3b80e0f389aee1cd6bb39b64e0af2b6815140