add imenu key
Allow toggling of skewer-less-mode
Unbundled skewer-less into its own package
Remove *is-cocoa-emacs* constant
Use ruby-mode for .pryrc files
Use conf-mode for foreman's Procfile
Drop visual-regexp package, and use anzu's query-replace functions instead
Remove reference to defunct variable javascript-indent-level
No need to require json package explicitly
Use my new ac-inf-ruby package for auto-complete in inf-ruby