Merge pull request #626 from wprater/region-no-wrap

Added ability to render a View directly into a region with no wrapping of a `tagName`
Update changelog.
Better SyncMachine docs. Closes gh-669.
Fix small typo
Merge pull request #673 from afroald/patch-1

Fix small typo
Added `fallbackSelector` and `loadingSelector` to constructor instance options
- both `fallbackSelector` and `loadingSelector` are useful when not subclassing CollectionView.
- dont need a template on the CollectionView to work.