Update RuboCop configuration
Update RuboCop configuration

- target Ruby 2.2
- disable Layout/IndentArray
- disable Layout/IndentHash
- disable Layout/IndentHeredoc
- disable Layout/MultilineBlockLayout
- disable Metrics/AbcSize
- disable Metrics/ClassLength
- disable Metrics/MethodLength
- remove exclusion on Style/AccessorMethodName
- remove exclusion on Style/MutableConstant
- enforce slashes in Style/RegexpLiteral

newcontext/kitchen-terraform,newcontext-oss/kitchen-terraform,newcontext-oss/kitchen-terraform,newcontext-oss/kitchen-terraform,newcontext-oss/kitchen-terraform