In order to break away from using CSS classes as
our primary method of element identification, we
need to provide the ability to search for data
attributes.

Make Test::Sanity::Selectors now work

Utilize regex to match on literal strings of the element name

Suggest the data-qa-selector pattern vs the qa-

Add data-qa-selector to login page to start

We need a page that is heavily used in order to be
confident that this functionality works. Let's start
with the Login page

Use appropriate HAML data tag practices