Fix pre launch design issues

[adamwoodnz]

• [x] Language dialog size and left align
• [x] Map pin cards - remove rectangle around links
• [x] Footer to not go ‘hug’ with content as it may end up higher than bottom of the screen
• [x] OpenGraph Meta — proper image (designed - in figma)
• [x] Favicons — designed (need transfer to ICO)

Screenshots

Locale switcher	Facebook	Slack	Favicon

How to test

This branch is running on the staging site

[iandunn]

"Footer to not go ‘hug’ with content as it may end up higher than bottom of the screen". What's this? Could you provide an example

I think that's referring to how there'll be a gap under the footer at certain breakpoints, if the page content is very short: