adding a scaffolding for the view "new"

* adding a scaffolding for the view "new" for arts.
* The book is obsolete now, the integrate_views keyword in the
controller spec is not a recommended way of doing ruby functional
testing (i.e. not isolating properly)
utilized bootstrap in the login form
pushing out ongoing changes
committing ongoing changes
Merge pull request #35 from whyi/art_view_spec

fixing admin pages