* Do not crash the whole UI when loading an invalid column
* Add error boundary component to catch Web UI crashes
* Add stack trace on supported browsers
* Add component stack info, pre-format everything for github
* Make “Reload” a clickable link that calls window.location.reload()
* Remove elephant friend from error boundary, make title stand out more
* Simplify error boundary to only a graphic
UglifyJS2 is allowed to mangle function names, and function names can also
be duplicate if they are from different scopes. Therefore function names
are not reliable as identifiers.
Functions as keys for Map object is a cheaper and more reliable
alternative.
Eugen Rochko