Lots of Work

A page for each city, and content for each page including some JS to pull from Open Tech Calendar

A basic working Responsive Design, tho I'm sure a designer will want to tweak it!
Tested in:
IE9
Safari
Chrome
Chrome on Android
Android stock browser
Firefox

Tweaked a lot of copy, notabley:
Safe Spaces section
List all organisers on about
More about learning

Removed old sponsors

Added some more useful links