Merge branch 'feature/documentation-and-demo' into develop

Update home splash page

Remove overlay header to simplify page

Fix typo in title

Make base_path available to all includes that need it

Disable breadcrumbs on paginated home pages

Fix broken breadcrumb links by including base_path helper

If page doesn't have a title fallback to site.title

Build home splash page

Adjust white-space around feature row items

Improve URL handling for internally and externally linked pages

Update about page

Fix stacking order of author "Follow" button

Update docs' excerpts

Update docs

Update gems

Update docs

Update stylesheets and JavaScript docs

Update class utility docs

Update helpers table