Rename Directive: Banner To Carousel Feature

Rename the directive banner to Carousel Feature because this name is
better suit to tell what this section does then just having a banner
which would mean displaying only one image
Change Banner Into Carousel From Bootstrap

Change the banner into a carousel from Bootstrap because this is what
the design should be rotating banners, of features of the the site,
when the user first loads the site up. Also, change the name of the
file to carousel feature in order to know this is part of the directive
Carousel Feature.
Resize Tagline Brick Banner

Resize the tagline brick background banner because it was too small and
did not fill the whole screen as feature banners should be the very
first thing the user sees