Version 2.1

update 2.1 features some minor bug fixes and visual improvements

1. Changed: The date on the session now uses the date slug for dates, this stops the date falling back to 1970 on rare occasions.
2. Added: Date description now added to seminar list.
3. Added: Reduced text size in seminar list
4. Added: Seminar list now brings in the date from the slug unless the date name has been modified.
5. Changed: Footer styling tweaked for desktop version