Merge branch 'release/0.4' into develop
Added another pagination snippet

[#76459366]

Reusable drop down pagination snippet

- Creates a select element with the pages as options with url as value

- Added selectize javascript plugin for interaction

- Added style for pagination
Added Font Awesome to theme
Added metadata block to site base
Added Open Graph prefix to html tag
Updated Changelog
Added site_path context processor

- site_path returns the site and the absolute path for the site root.
Updated changelog and docstring for site_path

Changes for the context processor site_path
tweak opengraph namespace declaration for consistency with schema.org ns
clean up whitespace, tweak documentation for new site path context processor
Update version number for release
Merge branch 'release/0.5'