Comply with style guide/rubocop.

Using https://github.com/bbatsov/ruby-style-guide.
Tidy up run a bit more
Some more clean-up and documentation.
Properly decode loading responses.

In addition, unhandled responses now have their descriptive name
shown as well as their hexcode.

Other things happened too.
Merge branch 'master' of github.com:UniversityRadioYork/bra