Change height to 470, for 2:1 ratio
Increase vert padding on grid

This is to make it visually obvious that there are more bubbles
if you scroll down.
Fade the labels with CSS animation

When switching to grid view, that is.
Fix indentation
Data update
Fix map zooming
Merge branch 'master' of github.com:kiln/iied

Conflicts:
	cities/site/index.html
Fix the zoom when going to grid view

If you are zoomed in when you switch to grid view, the map zooms
back out to the world view. The result was not correctly centred.