[New/Client] Added more text editor keyboard shortcuts (bold, italic and strikethrough, and more)
[New/Server] Active Users metric on the monitoring dashboard
[New/Server] Per-story reader counter and unique active-users metrics
[Improve/Server] Monitoring dashboard distinguishes client-fault from server-fault errors
[Fix/Server] Error-rate metric now includes exception-driven errors
[Fix/Server] Dashboard time buckets now roll over correctly
[Fix/Web] Editorial review character escaping
[Fix/Web] Mobile nav drawer rendering beneath page content