Add source extract to detailed exception page
Styling for exception page
Add new style to Routing Error page
Improve line-height to have better line spacing in exception message
Add style to AV::Template::Error exception page
Fix test for DebugExceptions due to template change
Summary and Details HTML elements aren't supported in all modern browsers
formatted_code_for should be private
Merge pull request #8668 from guilleiguaran/exceptions

New exceptions pages for development