Updated BootstrapTour to the latest version.
(cherry picked from commit a359ae5)
Enhanced TourBehavior.
- In order to overwrite renderHead there is now a getter for the steps.
- Allow the user to modify the tour options as he pleases (i18n, layout etc.)
(cherry picked from commit 7c1e179)
Added bootstrap-tour.min.css.
Using the Json.RawValue for storage property.