v2.2.3

- Added retrieval and display of neighbourhood information on location
search to assist in missing contact information and add more useful
information.
- Added 'Scroll to top' button to assist in mobile navigation
- Implemented new font via Google fonts API
- Modified 'empty search' pop-up to use errorBox instead, in line with
other search errors
- Modified login/logout box layout to improve mobile compatibility
- Various layout and styling tweaks to improve mobile compatibility