RuboCop Rails 2.17.4

Bug fixes

• #870: Fix an error for Rails/RootPathnameMethods when using Rails.env argument within Dir.glob. (@koic)
• #881: Fix a false positive for Rails/ActionControllerFlashBeforeRender when using flash in multiline rescue branch before redirect_to. (@gurix)
• #871: Fix a false positive for Rails/WhereMissing when left_joins(:foo) and where(foos: {id: nil}) separated by or, and. (@ydah)
• #875: Make Rails/RootPathnameMethods aware of enforced style of Style/StringLiterals. (@koic)
• #882: Fix false positive for Rails/UniqueValidationWithoutIndex with :conditions option. (@etiennebarrie)
• #821: Enhance Rails/TimeZone to accept methods with the :in timezone option. (@fatkodima)

Changes

• #880: Add Rails/I18nLocaleTexts match for redirect_back. (@bensheldon)