- New document picker with folders, nice support for OmniPresence scopes/trash, iOS 7 look and animations

- Background syncing support for OmniPresence
- Updated inspector widgets for iOS 7
- Removed a bunch of code no longer needed in iOS 7 (plenty more left
that can be cleaned up)
- Removed CoreText-based editor and RTF import/export in favor of
TextKit
- Converted a bunch more code to ARC
- Lots of cleanup for 64-bit iOS, isa references, BOOL conversion,
IMP/objc_msgSend calls w/o casts, iOS 7 deprecations
- Clean up of deprecated nib loading API usage
- Split out a OmniDAV framework from OmniFileStore with async-only API
- Split out OmniDocumentStore from OmniFileStore for iOS only document
store support
- Lots more...

r194927