Send user data from onerror handler as well.
TraceKit: parse constructors in Chrome stack.

Stack line looks like this:
    at new KeyValue (http://test.erik.silk/s/static/product.js:53062:6)
TraceKit: parse renamed functions in Chrome stack.

The stack line looks like this:
    at List.mapRemove [as onremove] (http://test.erik.silk/s/static/product.js:19755:23)
TraceKit: parse anonymous functions in Chrome stack.

Stack line looks like this:
    at w.setTimeout.args.(anonymous function) (http://test.erik.silk/s/static/product.js:14507:18)
Regenerate minified sources.
Merge remote-tracking branch 'silkapp/master'

* silkapp/master:
  Send user data from onerror handler as well.