Fixing missing semicolon on controllers.js code.
Fixing 'link' type title and description.
Introducing the first ck-* directive "ck-button" for alterning between buttons and button dropdowns initially only for button groups.
Introducing a goTo() method for linking on navigations. This is to have better control on links and to support absolute URLs through the isAbsolute() method.
Moving $scope.item to $scope data on controller.js and related templates to avoid scope variable collision.