Get character information from file when displaying gallery view

This allows us to delete the record and keep the file
Make the gallery page a little more mobile friendly
Add some flexbox to make the page even nicer on mobile
Check in sad-face.svg
Change background color of gallery display
Update social networking

Fix error produced by facebook script by using iframe version instead
(This also saves us having to set the language)
Update to newer twitter script
Set title of page for more interesting tweets / shares
Apparently sandbox breaks the fb iframe