Up the rails version.
Configure the new application to use the same ruby version and patchlevel as was used to generate the app, while maintaining the ability to execute app_prototype during raygun development.
Break hunks of less into separate files.
Single/double quote knit-pick.
DRY up the mailcatcher port.
Unused name.
Now it's 2013.
Slightly better email content.
Use dasherized application name in some cases, where it's aesthetically more pleasant.
Explain slow queries in acceptance too.
Knit!