update collection view to use banner image when available, with fallback to cover image [#74305084 #74526254]
Added Favicon, edited search UI, and new title!

Added background color to facets in search and color on hover/focus
Made search text field and button consistent with form in top nav
Fixed issue with loading google fonts

Minor issue with http / https requests. Updated to agnostic //
explicitly set django-image-tools version to see if that fixes pip install error
add humanize intcomma filter to collection facet count
update changelog with user stories that will be included in initial release
add example config for beta banner
Merge branch 'develop' into feature/page-access

Conflicts:
	readux/books/templates/books/search.html
	readux/collection/templates/collection/view.html