Lots of updates

- Added Label text alignment option
- Disabled DNModelWatchFetchedObjects tracing
- Added DNModel *FromDictionary methods
- Removed unnecessary performBlockAndWait around entityForName method call
- Increased auto-save context to 1 second
- Added detailed error reporting on save contexts
- Added initial paging to DNCommunicationsAPI
- Fixed endless loop problem in DNCollectionView
- Updated podspec version

Signed-off-by: Darren Ehlers <me@darrenehlers.com>