(devtools) New Rubocop with new cops to mark as 'todo'
(devtools) Tweak the Rubocop guard in Guardfile
(devtools) Have Guard do full RSpec run whenever .rspec is touched
Reformat multivar assignment + if block for clarity
Convert 'if !...' to 'unless ...'
(devtools) Re-enable Rubo-cops 'EndAlignment' and 'FavorUnlessOverNegatedIf'