Added backbone cocktail to introduce mixins.
Introduced a generic link handler to handle all links decorated with data-btn-type="generic". It will use the href value to instantiate a new view. We still are hardcoding the namespace of the view. We should give the application developer a plugin where he can specifify the prefix/namespace for all views to be used generically. In any case, this is just a stop gap solution. Lets see if we really need to have a generic link handler.
We can pass the transition options to the Region.showPage() now.