Improve default Layout title template.

If subtitle is empty, do not show a separator.
Merge pull request #663 from chaplinjs/topics/title

Improve default Layout title template.
Bump changelog.
Merge branch 'master' of github.com:chaplinjs/chaplin
Update CHANGELOG.md
Update CHANGELOG.md
Added noWrap property.
- to be used when you want to render directly into a region or view and not wrap the view with a `tagName` property.
Added `noWrap` docs.
Remove callback from old events signature in `region:find`
- send the reponse back directly
Make sure a region was found when assigning `this.el`.
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.
Merge pull request #674 from wprater/master

Added `fallbackSelector` and `loadingSelector` to constructor instance options
Fix docs sidebar.
Merge branch 'master' of github.com:chaplinjs/chaplin
Fix coffee in js docs. Closes gh-675.