Template exceptions in normal requests are now handled

In webadmin.

+ Fix URL when submitting a bug report
Internal errors in AJAX requests are now shown in the UI

+ All not external exceptions from AJAX requests are now shown in
  the UI with the stack trace to report as a bug
Make UnhandledError works with as many applications you want
Show stack trace in normal requests for non external exceptions

+ All non external exceptions from normal requests are now shown
  in the UI with the stack trace to report as a bug
Clean out commented code
Merge branch 'master' into ejhernandez/manage-unhandled-errors

Conflicts:
	main/core/ChangeLog
Merge branch 'ejhernandez/manage-unhandled-errors'

Conflicts:
	main/core/ChangeLog