2.23 (PIN support, now map fix, calendar sync, bad network handling)

[damiant]

• Fix for the map showing events happening now
• Support PIN locked events
• Enable swipe back on most routes (unless the map is shown)
• Fix gray border under art images
• Fix for calendar sync on Android permission error on first try
• Fix Intro page loading container
• Fix dust font on main page
• Fix to show geolocation dialog before native geolocation dialog
• Fix for when you have never opened an event but it has started and you are on cellular
• Fix for startup when the network is giving 100% errors
• Fix for sorting events to show Burning Man first
• Fix when no network connection on first startup