Monkeypatched the base RequestHandler to emit half-decent error pages instead of tracebacks.
Added an error reporting template.
Merge branch 'master' into dev-http_error
Improved HTTP error handling.
Altered some error messages.
Error template adjustment.
Modified error message that occurs within the Narrative when a save fails - added a modal that shows the error text if available.
Added a special message when a user doesn't have write permission to that workspace.
Adjusted error message.
A bit of code cleanup.
Merge branch 'master' into dev-http_error