Add base RuboCop configuration and todo file
Make RuboCop skip files with odd encodings
Fix trailing whitespace and blank lines
Clean up unused parts of Levitate
Mark assignment as safe
Allow semantic choice of trailing comma
Fix spacing offenses
Make RuboCop ignore Levitate library
Remove SpecialGlobalVars from todo
Allow multiple expressions per line
Always use raise to raise exceptions
Allow explicit return with multiple return values
Allow Proc.new (for tests)
Allow different ways to skip iterations
Remove redundant test parser check

The tests always run with the same parser, so we don't have to check it.
Fix conditional offenses
Remove redundant begin blocks
Fix MultilineBlockChain offense
Fix LineEndConcatenation offense
Remove outdate offense from todo