Remove unnecessary requires. See #7.
Refactor application controller using the suggestions by rubocop. See #7.
Minor refactoring of the administration controller. See #7.
Refactor prints controller using the suggestions by rubocop. See #7.
Refactor users controller using the suggestions by rubocop. See #7.
Refactor website controller using the suggestions by rubocop. See #7.
Move some methods. See #7.
Refactor models using the suggestions by rubocop. See #7.
Remove obsolete views. See #7.
Refactor migrations using the suggestions by rubocop. See #7.
Refactor Rakefile using the suggestions by rubocop. See #7.
Refactor config.ru using the suggestions by rubocop. See #7.
Refactor constants.ru using the suggestions by rubocop. See #7.
Fix broken regex. See #7.
Fix firgotten convertion to float. See #7.
Fix forgotten '='. See #7.
Move everything in a module. See #7.
Update references to constants. See #7.
Delete empty line at the end of file. See #7.